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## MCQ Questions for Class 11 Mathematics Chapter wise with Answers

## Q1. The standard deviation of some temperature data in °C is 5. If the data were converted into °F, the variance would be

(i) 81

(ii) 57

(iii) 36

(iv) 25

(i) 81

## Q2. The mean deviation from the mean for the following data: 4, 7, 8, 9, 10, 12, 13 and 17 is

(i) 2

(ii) 3

(iii) 4

(iv) 5

(ii) 3

## Q3. Which one is measure of dispersion method

(i) Renge

(ii) Quartile deviation

(iii) Mean deviation

(iv) all of the above

(iv) all of the above

## Q4. The algebraic sum of the deviation of 20 observations measured from 30 is 2. So, the mean of observations is

(i) 30.0

(ii) 30.1

(iii) 30.2

(iv) 30.3

(ii) 30.1

## Q5. The geometric mean of series having mean = 25 and harmonic mean = 16 is

(i) 16

(ii) 20

(iii) 25

(iv) 30

(ii) 20

## Q6. Find the median of 18, 35, 10, 42, 21

(i) 20

(ii) 19

(iii) 21

(iv) 22

(iii) 21

## Q7. A batsman scores runs in 10 innings 38, 70, 48,34, 42, 55, 63, 46, 54 and 44, then the mean deviation is

(i) 8.6

(ii) 6.4

(iii) 10.6

(iv) 9.6

(i) 8.6

## Q8. The mean of 1, 3, 4, 5, 7, 4 is m the numbers 3, 2, 2, 4, 3, 3, p have mean m – 1 and median q. Then, p + q =

(i) 4

(ii) 5

(iii) 6

(iv) 7

(iv) 7

## Q9. If the mean of first n natural numbers is 5n/9, then n =

(i) 5

(ii) 4

(iii) 9

(iv) 10

(iii) 9

## Q10. The coefficient of variation is computed by

(i) S.D/.Mean×100

(ii) S.D./Mean

(iii) Mean./S.D×100

(iv) Mean/S.D.

(ii) S.D./Mean

## Q11. In a series, the coefficient of variation is 50 and standard deviation is 20 then the arithmetic mean is

(i) 20

(ii) 40

(iii) 50

(iv) 60

(ii) 40

## Q12. The standard deviation of 7, 9, 11, 13, 15 is:

(i) 2.82

(ii) 2.4

(iii) 2.7

(iv) 2.5

(i) 2.82

## Q13. The co-efficient of variation is computed by:

(i) mean/ standard deviation

(ii) standard deviation /mean

(iii) mean /standard deviation x 100

(iv) standard deviation / mean x 100

(iv) standard deviation / mean x 100

## Q14. The geometric mean of series having mean = 25 and harmonic mean = 16 is

(i) 16

(ii) 20

(iii) 25

(iv) 30

(ii) 20

## Q15. Consider the first 10 positive integers. If we multiply each number by –1 and then add 1 to each number, the variance of the numbers so obtained is

(i) 8.25

(ii) 6.5

(iii) 3.87

(iv) 2.87

(i) 8.25

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## MCQ Questions for Class 11 Mathematics Chapter wise with Answers

- Chapter 1. Sets Class 11 MCQ Questions
- Chapter 2. Relations and Functions Class 11 MCQ Questions
- Chapter 3. Trigonometric Functions Class 11 MCQ Questions
- Chapter 4. Principle of Mathematical Induction Class 11 MCQ Questions
- Chapter 5. Complex Numbers and Quadratic Equations Class 11 MCQ Questions
- Chapter 6. Linear Inequalities Class 11 MCQ Questions
- Chapter . Permutations and Combinations Class 11 MCQ Questions
- Chapter 8. Binomial Theorem Class 11 MCQ Questions
- Chapter 9. Sequences and Series Class 11 MCQ Questions
- Chapter 10. Straight Lines Class 11 MCQ Questions
- Chapter 11. Conic Sections Class 11 MCQ Questions
- Chapter 12. Introduction to Three Dimensional Geometry Class 11 MCQ Questions
- Chapter 13. Limits and Derivatives Class 11 MCQ Questions
- Chapter 14. Mathematical Reasoning Class 11 MCQ Questions
- Chapter 15. Statistics Class 11 MCQ Questions
- Chapter 16. Probability Class 11 MCQ Questions