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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 76. What is the average percent marks of children of group B?

(a)77               (b)77          (c)78          (d)            78


Question ID - 50708 | Toppr Answer

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 76. What is the average percent marks of children of group B?

(a)77               (b)77          (c)78          (d)            78

1 Answer - 5876 Votes

3537

Answer Key : (b) -

Required average =



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