Explore topic-wise MCQs in Mathematics.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics knowledge and support exam preparation. Choose a topic below to get started.

1.

The following data shows the heights and weights of the students of class 9. Which of the following is correct?

A. Coefficient of variation of weights > Coefficient of variation of heights
B. Coefficient of variation of weights < Coefficient of variation of heights
C. Coefficient of variation of weights = Coefficient of variation of heights
D. Coefficient of variation of weights = ½ Coefficient of variation of heightsView Answer
Answer» B. Coefficient of variation of weights < Coefficient of variation of heights
Discussion
2.

If standard deviation of a data is 40 and the coefficient of variation is 25600, then find the mean.

A. 64
B. 6.4
C. 640
D. 0.64
Answer» C. 640
Discussion
3.

If the standard deviation of a data is 820 and mean of the data is 50, find the coefficient of variation.

A. 16.4
B. 164
C. 1640
D. 1.64
Answer» B. 164
Discussion
4.

If the coefficient of variation is 100 the mean of the data is 25, then find the standard deviation.

A. 5
B. 10
C. 15
D. 25
Answer» E.
Discussion
5.

An analysis of the monthly wages paid to the workers of a form is given below. Calculate the total monthly wages.

A. 2800
B. 280
C. 28000
D. 2.8View Answer
Answer» D. 2.8View Answer
Discussion