- “They are being tricked meeting up with people. And once they are getting there, they are actually taking money from them and things like that.”
- Additionally, male profiles that had a biography received 69 matches while those without received only 16 matches .
- There are also useful questionnaires that give you insight into your actually any traits and compatibility skills, which can help australia online dating game regardless of really hookup you end up using the most.
- According to Pew’s survey, 44 percent of online daters say they are looking for a long-term partner, 40 percent are interested in casual dating, 24 percent want casual sex, and 22 percent are just interested in friendship.

Pluralities also believe that whether a couple met online or in person has little effect on the success of their relationship. There are some groups who are particularly wary of the idea of meeting someone through dating platforms.

Dating experts reveal the common blunders singles make with their photos, bios and prompts. Here are the new rules around ending a relationship by Zoom or texts. Furthermore, when describing themselves, people will often present their best selves while leaving out flaws. Some users may even deceptively present inaccurate information on their profile merely to get someone interested in them. Of course, hobbies and sports are always a great way to mingle. Consider joining a sports club or take lessons for an activity you want to start doing. Some people recommend Meet Upas a fun way to find people nearby who are interested in the same activities, whether that’s skating or going to museums or concerts.

Once the quiz is completed, you fill out your profile with prompts, photos, and icons to indicate your hobbies and interest. Our tester says the profile took at least 20 minutes to complete, although not all users include the same level of detail on their profiles. Every Thursday, the app comes to life with people near you who also want to meet that day. In the time it takes to order a drink on one date, you’ll be matched with 3 users in your area that match your preferences. As sparks typically fly in just moments, these mini-dates save users time and energy–all from the comfort of your couch. We believe in quality over quantity, and that smart daily recommendations are better for busy people than an unlimited buffet of options. We let you set ultra-specific preferences and only suggest you a few Prospects a day that we think you will actually like.

A few of the best or cheapest competitors reaped significant gains while many former domestic champions or viable competitors lost out. These sites also generate significant levels of inequality, especially for men. One analyst found that“like inequality” for men on Tinderis higher than income inequality in the United States . Ananalyst at Hinge foundthat women’s inequality on that site was roughly equal to the average income inequality for the world’s countries (aGini coefficientof 0.376), similar to Western Europe.

Pure is a perfect match for those who value confidentiality, as profiles are removed every 24 hours. You can also send random pictures that will self-destruct a few seconds after your partner sees them. Even though Tinder claims to cater to all types of dating, everyone knows it’s best for one-night stands. Swipe right to meet people or left to remove them from your view. Priced at the higher $32 to $40 a month depending on age, all the Tinder Gold and Plus benefits are included at this tier.

The post Online Dating Safety and How to Recognize Red Flags appeared first on Clarify Knowledge.]]>*ICSE Class 10 All chemical Reaction Notes Download By Clarify Knowledge*

**6 Tips to Prepare Effectively for ICSE Class 10 Exam**

*Be Systematic And Planned**Knowledge of the syllabus.**Focus on all the subjects.**Proper Revision.**Practicing Sample Paper or Previous Year Question Paper.**Follow ICSE Textbooks*

*Systematic planning is a planning process that is based on the scientific method and includes concepts such as objectivity of approach and acceptability of results. Systematic planning is based on a common sense, graded approach to ensure that the level of detail in planning is commensurate with the importance and intended use of the work and the available resources. This framework promotes communication between all organizations and individuals involved in an environmental program. Through a systematic planning process, a team can develop acceptance or performance criteria for the quality of the data collected and for the quality of the decision.*

*Before starting your preparation, students are suggested to all the topics of each subject covered in the ICSE Class 10 syllabus. Knowing your syllabus will help the students to prepare themselves accordingly, and they must stick to it. So, map your syllabus from the ICSE textbooks and prepare each line of it.*

*While preparing for the ICSE Class 10 Board exam, most of the students tend to focus on tough subjects like Maths, Physics, Biology, Chemistry, etc. and ignore the languages. But, along with the other subjects, it is advised they concentrate on languages as well as it will help to uplift their overall percentage.*

*Preparing a proper**revision plan according to the subjects, will help students to revise quickly in later stages. After completing one chapter, students must revise the chapter once before jumping to another chapter. It makes sense to make notes of important topics or formulas to help them revise better. Practising ICSE Class 10 Previous year Question Paper helps students to revise the entire syllabus without skipping any important topic.*

*Students should practice sample papers or previous year question papers to familiarize themselves with the exam pattern, as well as the types of questions asked in the examination. It will help the students to get an idea about the difficulty level of the paper, marks weightage, important topics, etc. Along with the study materials, students should practice ICSE Class 10 Sample Paper or previous year question papers.*

*To score well in ICSE Class 10 exams, a comprehensive understanding of basic concepts of every topic and thorough reading of ICSE Class 10 Books are essential. Students should kick start their preparation with ICSE textbooks for Class 10 as it is considered as one of the best resources of study materials for students.*

*ICSE Class 10 HCL Notes Download By Clarify Knowledge*

**6 Tips to Prepare Effectively for ICSE Class 10 Exam**

*Be Systematic And Planned**Knowledge of the syllabus.**Focus on all the subjects.**Proper Revision.**Practicing Sample Paper or Previous Year Question Paper.**Follow ICSE Textbooks*

*Systematic planning is a planning process that is based on the scientific method and includes concepts such as objectivity of approach and acceptability of results. Systematic planning is based on a common sense, graded approach to ensure that the level of detail in planning is commensurate with the importance and intended use of the work and the available resources. This framework promotes communication between all organizations and individuals involved in an environmental program. Through a systematic planning process, a team can develop acceptance or performance criteria for the quality of the data collected and for the quality of the decision.*

*Before starting your preparation, students are suggested to all the topics of each subject covered in the ICSE Class 10 syllabus. Knowing your syllabus will help the students to prepare themselves accordingly, and they must stick to it. So, map your syllabus from the ICSE textbooks and prepare each line of it.*

*While preparing for the ICSE Class 10 Board exam, most of the students tend to focus on tough subjects like Maths, Physics, Biology, Chemistry, etc. and ignore the languages. But, along with the other subjects, it is advised they concentrate on languages as well as it will help to uplift their overall percentage.*

*Preparing a proper**revision plan according to the subjects, will help students to revise quickly in later stages. After completing one chapter, students must revise the chapter once before jumping to another chapter. It makes sense to make notes of important topics or formulas to help them revise better. Practising ICSE Class 10 Previous year Question Paper helps students to revise the entire syllabus without skipping any important topic.*

*Students should practice sample papers or previous year question papers to familiarize themselves with the exam pattern, as well as the types of questions asked in the examination. It will help the students to get an idea about the difficulty level of the paper, marks weightage, important topics, etc. Along with the study materials, students should practice ICSE Class 10 Sample Paper or previous year question papers.*

*To score well in ICSE Class 10 exams, a comprehensive understanding of basic concepts of every topic and thorough reading of ICSE Class 10 Books are essential. Students should kick start their preparation with ICSE textbooks for Class 10 as it is considered as one of the best resources of study materials for students.*

*CBSE Class 9 Probability MCQ New Pattern 2022*

Question 1.

Which of the following cannot be the empirical probability of an event?

(a) 23

(b) 32

(c) 0

(d) 1Answer

Question 2.

In a survey of 364 children aged 19-36 months, it was found that 91 liked to eat potato chips. If a child is selected at random, the probability that he/she does not like to eat potato chips is:

(a) 0.25

(b) 0.50

(c) 0.75

(d) 0.80Answer

Question 3.

In a sample study of 640 people, it was found that 512 people have a high school certificate. If a person is selected at random, the probability that the person has a high school certificate is:

(a) 0.5

(b) 0.6

(c) 0.7

(d) 0.8Answer

Question 4.

The probability that a number selected at random from the numbers 1, 2, 3, …, 15 is a multiple of 4 is

(a) 415

(b) 215

(c) 15

(d) 13Answer

Question 5.

When a die is thrown, the probability of getting an odd number less than 4 is

(a) 16

(b) 13

(c) 12

(d) 0Answer

Question 6.

A bag contains 16 cards bearing number 1, 2, 3 …., 16 respectively. One card is drawn at random. What is the probability that a number is divisible by 3?

(a) 316

(b) 516

(c) 1116

(d) 1316Answer

Question 7.

In a cricket match a batsman hits a boundary 4 times out of the 32 balls he plays. In a given ball, what is the probability that he does not hit the ball to the boundary?

(a) 78

(b) 18

(c) 17

(d) 67Answer

Question 8.

The sum of the probabilities of all events of a trial is

(a) 1

(b) greater than 1

(c) less than 1

(d) between 0 and 1Answer

Question 9.

A die is thrown 300 times and odd numbers are obtained 153 times. Then the probability of getting an even number is

(a) 153300

(b) 147300

(c) 174300

(d) 147153Answer

Question 10.

Two coins are tossed 1000 times and the outcomes are recorded as below:

The probability of getting at the most one head is:

(a) 15

(b) 14

(c) 45

(d) 34

*CBSE Class 9 Statistics MCQ New Pattern 2022*

Question 1.

The class mark of the class 90-130 is:

(a) 90

(b) 105

(c) 115

(d) 110Answer

Question 2.

The range of the data:

25, 81, 20, 22, 16, 6, 17,15,12, 30, 32, 10, 91, 8, 11, 20 is

(a) 10

(b) 75

(c) 85

(d) 26Answer

Question 3.

In a frequency distribution, the mid value of a class is 10 and the width of the class is 6. The upper limit of the class is:

(a) 6

(b) 7

(c) 10

(d) 13Answer

Question 4.

The width of each of five continuous classes in a frequency distribution is 5 and the lower class-limit of the lowest class is 10. The lower class-limit of the highest class is:

(a) 15

(b) 30

(c) 35

(d) 40Answer

Question 5.

Let m be the mid-point and 1 be the lower class limit of a class in a continuous frequency distribution. The upper class limit of the class is:

(a) 2m + l

(b) 2m – l

(c) m – l

(d) m – 2lAnswer

Question 6.

The class marks of a frequency distribution are given as follows:

15, 20, 25, …

The class corresponding to the class mark 15 is:

(a) 12.5 – 17.5

(b) 17.5 – 22.5

(c) 18.5 – 21.5

(d) 19.5 – 20.5Answer

Question 7.

In the class intervals 10-20, 20-30, the number 20 is included in:

(a) 10-20

(b) 20-30

(c) both the intervals

(d) none of these intervalsAnswer

Question 8.

A grouped frequency table with class intervals of equal sizes using 250-270 (270 not included in this interval) as one of the class interval is constructed for the following data:

268, 220, 368, 258, 242, 310, 272, 342, 310, 290, 300, 320, 319, 304,402, 318, 406, 292, 354, 278, 210, 240, 330, 316, 406, 215, 258, 236.

The frequency of the class 370-390 is:

(a) 0

(b) 1

(c) 3

(d) 5Answer

Question 9.

A grouped frequency distribution table with classes of equal sizes using 63-72 (72 included) as one of the class is constructed for the following data:

30, 32, 45, 54, 74, 78, 108, 112, 66, 76, 88, 40, 14, 20, 15, 35, 44, 66, 75, 84, 95, 96, 102, 110, 88, 74, 112, 14, 34, 44.

The number of classes in the distribution will be:

(a) 9

(b) 10

(c) 11

(d) 12Answer

Question 10.

To draw a histogram to represent the following frequency distribution:

the adjusted frequency for the class 25-45 is:

(a) 6

(b) 5

(c) 3

(d) 2Answer

Question 11.

The mean of five numbers is 30. If one number is excluded, their mean becomes 28. the excluded number is:

(a) 28

(b) 30

(c) 35

(d) 38Answer

Question 12.

If x¯ represents the mean of n observations x_{1}, x_{2}, …, x_{n}, then value of ∑ni=1(xi−x¯) is:

(a) -1

(b) 0

(c) 1

(d) n – 1Answer

Question 13.

If each observation of the data is increased by 5, then their mean

(a) remains the same

(b) becomes 5 times the original mean

(c) is decreased by 5

(d) is increased by 5Answer

Question 14.

Let x¯ be the mean of x_{1}, x_{2}, …, x_{n} and y the mean of y_{1}, y_{2}, …, y_{n}. If z is the mean of x_{1}, x_{2}, …. x_{n}, y_{1}, y_{2}, …, y_{n}, then z is equal to

(a) x¯+y¯

(b) x¯+y¯2

(c) x¯+y¯n

(d) x¯+y¯2nAnswer

Question 15.

If x¯ is the mean of x_{1}, x_{2}, …, x_{n}, then for a ≠ 0, the mean of ax_{1}, ax_{2}, …, ax_{n}, x1a, x2a, …….., xna is

*CBSE Class 9 Surface Areas and Volumes MCQ New Pattern 2022*

Question 1.

If the perimeter of one of the faces of a cube is 40 cm, then its volume is:

(a) 6000 cm³

(b) 1600 cm³

(c) 1000 cm³

(d) 600 cm³

Question 2.

A cuboid having surface areas of 3 adjacent faces as a, b and c has the volume:

(a) 3abc−−−√

(b) abc−−−√

(c) abc

(d) (abc)²Answer

Question 3.

The radius of a cylinder is doubled and the height remains the same. The ratio between the volumes of the new cylinder and the original cylinder is

(a) 1 : 2

(b) 3 : 1

(c) 4 : 1

(d) 1 : 8Answer

Question 4.

Length of diagonals of a cube of side a cm is

(a) √2a cm

(b) √3a cm

(c) 3a−−√ cm

(d) 1 cmAnswer

Question 5.

Volume of spherical shell is

(a) 23 πr³

(b) 34 πr³

(c) 43 π(R³ – r³)

(d) None of these

Question 6.

Volume of hollow cylinder

(a) π(R² – r²)h

(b) πR²h

(c) πr²h

(d) πr²(h_{1} – h_{1})

Question 7.

The radius of a sphere is 2r, then its volume will be

(a) 43 πr³

(b) 4πr³

(c) 83 πr³

(d) 323 πr³

Question 8.

In a cylinder, radius is doubled and height is halved, curved surface area will be

(a) halved

(b) doubled

(c) same

(d) four time

Question 9.

The total surface area of a cone whose radius is r2 and slant height 2l is

(a) 2πr(l + r)

(b) πr(l + r4)

(c) πr(l + r)

(d) 2πrl

Question 10.

The radius of a hemispherical balloon increases from 6 cm to 12 cm as air is being pumped into it. The ratios of the surface areas of the balloon in the two cases is

(a) 1 : 4

(b) 1 : 3

(c) 2 : 3

(d) 2 : 1

Question 11.

The length of the longest pole that can be put in a room of dimension (10 m × 10 m × 5 m) is

(a) 15 m

(b) 16 m

(c) 10 m

(d) 12 mAnswer

Question 12.

The lateral surface area of a cube is 256 m³. The volume of the cube is

(a) 512 m³

(b) 64 m³

(c) 216 m³

(d) 256 m³

Question 13.

The radii of two cylinders are in the ratio of 2 : 3 and their heights are in the ratio of 5 : 3. The ratio of their volumes is

(a) 10 : 17

(b) 20 : 27

(c) 17 : 27

(d) 20 : 37

Question 14.

A cone is 8.4 cm high and the radius of its base is 2.1 cm. It is melted and recast into a shape. The radius of the sphere is

(a) 4.2 cm

(b) 2.1 cm

(c) 2.4 cm

(d) 1.6 cm

Question 15.

The total surface area of a cube is 96 cm². The volume of the cube is

(a) 8 cm³

(b) 512 cm³

(c) 64 cm³

(d) 27 cm³

*ICSE Class 10 Physics Notes**By Clarify Knowledge*

**6 Tips to Prepare Effectively for ICSE Class 10 Exam**

*Be Systematic And Planned**Knowledge of the syllabus.**Focus on all the subjects.**Proper Revision.**Practicing Sample Paper or Previous Year Question Paper.**Follow ICSE Textbooks*

*Systematic planning is a planning process that is based on the scientific method and includes concepts such as objectivity of approach and acceptability of results. Systematic planning is based on a common sense, graded approach to ensure that the level of detail in planning is commensurate with the importance and intended use of the work and the available resources. This framework promotes communication between all organizations and individuals involved in an environmental program. Through a systematic planning process, a team can develop acceptance or performance criteria for the quality of the data collected and for the quality of the decision.*

*Before starting your preparation, students are suggested to all the topics of each subject covered in the ICSE Class 10 syllabus. Knowing your syllabus will help the students to prepare themselves accordingly, and they must stick to it. So, map your syllabus from the ICSE textbooks and prepare each line of it.*

*While preparing for the ICSE Class 10 Board exam, most of the students tend to focus on tough subjects like Maths, Physics, Biology, Chemistry, etc. and ignore the languages. But, along with the other subjects, it is advised they concentrate on languages as well as it will help to uplift their overall percentage.*

*Preparing a proper**revision plan according to the subjects, will help students to revise quickly in later stages. After completing one chapter, students must revise the chapter once before jumping to another chapter. It makes sense to make notes of important topics or formulas to help them revise better. Practising ICSE Class 10 Previous year Question Paper helps students to revise the entire syllabus without skipping any important topic.*

*Students should practice sample papers or previous year question papers to familiarize themselves with the exam pattern, as well as the types of questions asked in the examination. It will help the students to get an idea about the difficulty level of the paper, marks weightage, important topics, etc. Along with the study materials, students should practice ICSE Class 10 Sample Paper or previous year question papers.*

*To score well in ICSE Class 10 exams, a comprehensive understanding of basic concepts of every topic and thorough reading of ICSE Class 10 Books are essential. Students should kick start their preparation with ICSE textbooks for Class 10 as it is considered as one of the best resources of study materials for students.*

https://drive.google.com/file/d/1eeg1r0jP_fXZcCGt7_TMmivJNth9ql5_/view?usp=drivesdk

*CBSE Class 9 Heron’s Formula MCQ New Pattern 2022*

Question 1.

An isosceles right triangle has area 8 cm². The length of its hypotenuse is

(a) 32−−√ cm

(b) 16−−√ cm

(c)48−−√ cm

(d) 24−−√ cmAnswer

Question 2.

The perimeter of an equilateral triangle is 60 m. The area is

(a) 10√3 m²

(b) 15√3 m²

(c) 20√3 m²

(d) 100√3 m²Answer

Question 3.

The sides of a triangle are 56 cm, 60 cm and 52 cm long. Then the area of the triangle is

(a) 1322 cm²

(b) 1311 cm²

(c) 1344 cm²

(d) 1392 cm²Answer

Question 4.

The area of an equilateral triangle with side 2√3 cm is

(a) 5.196 cm²

(b) 0.866 cm²

(c) 3.496 cm²

(d) 1.732 cm²Answer

Question 5.

The length of each side of an equilateral triangle having an area of 9√3 cm² is

(a) 8 cm

(b) 36 cm

(c) 4 cm

(d) 6 cmAnswer

Question 6.

If the area of an equilateral triangle is 16√3 cm², then the perimeter of the triangle is

(a) 48 cm

(b) 24 cm

(c) 12 cm

(d) 36 cmAnswer

Question 7.

The sides of a triangle are 35 cm, 54 cm and 61 cm. The length of its longest altitude is

(a) 16√5 cm

(b) 10√5 cm

(c) 24√5 cm

(d) 28 cmAnswer

Question 8.

The area of an isosceles triangle having base 2 cm and the length of one of the equal sides 4 cm is

(a) 15−−√ cm²

(b) 152−−√ cm²

(c) 215−−√5 cm²

(d) 415−−√ cm²Answer

Question 9.

The edges of a triangular board are 6 cm, 8 cm and 10 cm. The cost of painting it at the rate of 9 paise per cm² is

(a) Rs 2.00

(b) Rs 2.16

(c) Rs 2.48

(d) Rs 3.00Answer

Question 10.

The base of a right triangle is 48 cm and its hypotenuse is 50 cm. The area of the triangle is

(a) 168 cm²

(b) 252 cm²

(c) 336 cm²

(d) 504 cm²

*CBSE Class 9 Constructions MCQ New Pattern 2022*

Question 1.

If a, b and c are the lengths of the three sides of a triangle, then which of the following is true?

(a) a + b < c

(b) a – b < c

(c) a + b = cAnswer

Question 2.

With the help of a ruler and compasses, which of the following is not possible to construct?

(a) 70°

(b) 60°

(c) 135°Answer

Question 3.

Which of the following sets of angles can be the angles of a triangle?

(a) 30°, 60°, 80°

(b) 40°, 60°, 70°

(c) 50°, 30°, 100°Answer

Question 4.

The construction of the triangle ABC is possible if it is given that BC = 4 cm, ∠C = 60° and the difference of AB and AC is

(a) 3.5 cm

(b) 4.5 cm

(c) 3 cm

(d) 2.5 cmAnswer

Question 5.

Which of the following can be the length of BC required to construct the triangle ABC such that AC = 7.4 cm and AB = 5 cm?

(a) 3.5 cm

(b) 2.1 cm

(c) 4.7 cmAnswer

Question 6.

If we want to construct a triangle, given its perimeter, then we need to know:

(a) Sum of two sides of triangle

(b) Difference between two sides of triangle

(c) One base angles

(d) Two base anglesAnswer

Question 7.

To construct a bisector of a given angle, we need:

(a) A ruler

(b) A compass

(c) A protractor

(d) Both ruler and compassAnswer

Question 8.

Which of the following set of lengths can be the sides of a triangle?

(a) 2 cm, 4 cm, 1.9 cm

(b) 1.6 cm, 3.7 cm, 5.3 cm

(c) 5.5 cm, 6.5 cm, 8.9 cm

(d) None of the aboveAnswer

Question 9.

Which of these angles cannot be constructed using ruler and compasses?

(a) 120

(b) 60

(c) 140

(d) 135Answer

Question 10.

Which of the following angles can be constructed using ruler and compasses?

(a) 35

(b) 45

(c) 95

(d) 55Answer

Question 11.

With the help of a ruler and compasses which of the following is not possible to construct?

(a) 120°

(b) 135°

(c) 140°Answer

Question 12.

If the construction of a triangle ABC in which AB = 6 cm, ∠A = 70° and ∠B = 40° is possible then find the measure of ∠c.

(a) 40°

(b) 70°

(c) 80°Answer

Question 13.

Which of the following set of lengths can be the sides of a triangle?

(a) 2 cm, 4 cm, 1.9 cm

(b) 5.5 cm, 6.5 cm, 8.9 cm

(c) 1.6 cm, 3.7 cm. 5.3 cmAnswer

Question 14.

The construction of a triangle ΔABC in which BC = 6 cm, ∠A = 50° is not possible, when difference of BC and AC is equal to

(a) 4.6 cm

(b) 6.4 cm

(c) 5.1 cmAnswer

Question 15.

Which of the following angle can be constructed with the help of a ruler and a pair of compasses?

(a) 35°

(b) 40°

(c) 37.5°

(d) 47.5°Answer

Question 16.

To construct an angle of 60 degrees, we need to draw first:

(a) A ray

(b) An arc

(c) Two rays

(d) A straight lineAnswer

Question 17.

The side lengths 4 cm, 4 cm and 4 cm can be sides of:

(a) Scalene Triangle

(b) Isosceles Triangle

(c) Equilateral Triangle

(d) None of the aboveAnswer

Question 18.

If a, b and c are the lengths of three sides of a triangle, then:

(a) a + b > c

(b) a – b > c

(c) a + b = c

(d) a – b = cAnswer

Question 19.

Which of these angles we cannot construct it using ruler and compasses?

(a) 120

(b) 70

(c) 60

(d) All can be constructedAnswer

Question 20

Which of the following angles can be constructed using ruler and compass?

(a) 35

(b) 40

(c) 90

(d) 50

*CBSE Class 9 Circles MCQ New Pattern 2022*

Question 1.

The radius of a circle is 13 cm and the length of one of its chords is 10 cm. The distance of the chord from the centre is

(a) 11.5 cm

(b) 12 cm

(c) 69−−√ cm

(d) 23 cmAnswer

Question 2.

A chord is at a distance of 8 cm from the centre of a circle of radius 17 cm. The length of the chord is

(a) 25 cm

(b) 12.5 cm

(c) 30 cm

(d) 9 cmAnswer

Question 3.

In the given figure, BOC is a diameter of a circle and AB = AC. Then, ∠ABC =

(a) 30°

(b) 45°

(c) 60°

(d) 90°Answer

Question 4.

In the given figure, O is the centre of a circle. If ∠OAB = 40° and C is a point on the circle, then ∠ACB =

(a) 40°

(b) 50°

(c) 80°

(d) 100°Answer

Question 5.

AB and CD are two equal chords of a circle with centre O such that ∠AOB = 80°, then ∠COD =

(a) 100°

(b) 80°

(c) 120°

(d) 40°Answer

Question 6.

In the given figure, BOC is a diameter of a circle with centre O. If AB and CD are two chords such that AB || CD and AB = 10 cm, then CD =

(a) 5 cm

(b) 12.5 cm

(c) 15 cm

(d) 10 cmAnswer

Question 7.

In the given figure, AB is a chord of a circle with centre O and AB is produced to C such that BC = OB. Also, CO is joined and produced to meet the circle in D. If ∠ACD = 25°, then ∠AOD =

(a) 50°

(b) 75°

(c) 90°

(d) 100°Answer

Question 8.

In the given figure, AB is a chord of a circle with centre O and BOC is a diameter. If OD ⊥ AB such that OD = 6 cm, then AC =

(a) 9 cm

(b) 12 cm

(c) 15 cm

(d) 7.5 cmAnswer

Question 9.

An equilateral triangle of side 9 cm is inscribed a circle. The radius of the circle is

(a) 3 cm

(b) 3√2 cm

(c) 3√3 cm

(d) 6 cmAnswer

Question 10.

In the given figure, ΔABC and ΔDBC are inscribed in a circle such that ∠BAC = 60° and ∠DBC = 50°. then, ∠BCD =

(a) 50°

(b) 60°

(c) 70°

(d) 80°Answer

Question 11.

In the given figure, O is the centre of a circle. If ∠AOB = =100° and ∠AOC = 90°, then ∠BAC =

(a) 85°

(b) 80°

(c) 90°

(d) 75°Answer

Question 12.

In the given figure, O is the centre of a circle and ∠AOC = 120°. Then, ∠BDC =

(a) 60°

(b) 45°

(c) 30°

(d) 15°Answer

Question 13.

In the given figure, O is the centre of a circle in which ∠OAB = 20° and ∠OCB = 50°. Then, ∠AOC =

(a) 50°

(b) 70°

(c) 20°

(d) 60°Answer

Question 14.

In the given figure, O is the centre of a circle in which ∠AOC = 100° side AB of quadrilateral OABC has been produced to D. Then, ∠CBD =

(а) 50°

(b) 40°

(c) 25°

(d) 80°Answer

Question 15.

In the given figure, O is the centre of a circle and ∠OAB = 50°. Then, ∠BOD =

(а) 130°

(b) 50°

(c) 100°

(d) 80°Answer

Question 16.

In the given figure, ABCD is the cyclic quadrilateral in which BC = CD and ∠CBD = 35°. Then, ∠BAD =

(а) 65°

(b) 70°

(c) 110°

(d) 90°Answer

Question 17.

In figure, ΔABC is an equilateral triangle and ABDC is a quadrilateral then ∠BDC =

(а) 90°

(b) 60°

(c) 120°

(d) 150°Answer

Question 18.

In figure, sides AB and AD of a quadrilateral ABCD are produced to E and F respectively. If ∠CBE = 100°, then find ∠CDF.

(a) 100°

(b) 80°

(c) 130°

(d) 90°Answer

Question 19.

In figure, O is the centre of a circle and ∠AOB = 140°, then ∠ACB =

(a) 70°

(b) 80°

(c) 110°

(d) 40°Answer

Question 20.

In figure, O is the centre of a circle and ∠AOB = 130°, then ∠ACB =

(a) 50°

(b) 65°

(c) 115°

(d) 155°