Q7 of 79 Page 25

Find the mean of first five multiples of 3.

First five multiples of 3 are:

3, 6, 9, 12, 15


Therefore, Mean =


=


=


= 9


More from this chapter

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5

Find the mean of first 10 even natural numbers.

 6

Find the mean of x, x+2, x+4, x+6, x+8.

 8

Following are the weights (in kg) of 10 new born babies in a hospital on a particular day:

3.4, 3.6, 4.2, 4.5, 3.9, 4.1, 3.8, 4.5, 4.4, 3.6


Find the mean

9

The percentage of marks obtained by students of a class in mathematics are:

64, 36, 47, 23, 0, 19, 81, 93, 72, 35, 3, 1


Find their mean.