The average of the marks of 14 students in a class is 62. If the marks of each student are doubled, find the new average?
Given:
Average marks of 14 students = 62
Marks of each student are doubled.
Formula Used:
Average =
Solution:
Sum of marks = Average × Number of students = 62 × 14 = 868
When the marks are doubled, the new sum will be:
New sum of marks = 2 × 868 = 1736
The new average will be:
New Average =
The new average of the marks, after doubling, will be 124.
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