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The average of the marks of 14 students in a class is 63. If the marks of each student are doubled, find the new average?
Question

The average of the marks of 14 students in a class is 63. If the marks of each student are doubled, find the new average?

A.

63

B.

126

C.

28

D.

14

Correct option is B

Given:

Average marks of 14 students = 63

Marks of each student are doubled

Formula Used:

New Average = Old Average × Multiplying Factor

Solution:

New Average = 63 × 2 = 126

.

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