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Q: 16 children are to be divided into two group A and B consisting 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 76. What is the average percent marks of children of Group B?

A. $$ {78}{2\over3}$$
B. $$ {77}{1\over3}$$
C. $$ {78}{1\over3}$$
D. $$ {77}{2\over3}$$
Answer» E.


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