16 children are to be divided into two groups a and b of 10 and 6 children. th

Question

16 children are to be divided into two groups a and b of 10 and 6 children. the average percent marks obtained by the children of group a is 75 and the average percent marks of all the 16 children is

Options:

A . 233/3

B . 243/4

C . 254/5

D . 345/7

Answer: Option A
Explanation :

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