Loganathan
8 years ago

The average age of the four members of a family is 19 years. After 2 years their average age will increase by nearly percent

A. 8

B. 11.2

C. 10.5

D. 12.8

Answer: Option C

Solution (By Examveda Team)

sum/4 = 19, sum = 76 NOW
in 2 years, sum = 84 (76+8)
84/4 = 21
Percentage = 1 - (21/19 x 100)
= 10.5%

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