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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. $$77\frac{1}{3}$$
- B. $$77\frac{2}{3}$$
- C. $$78\frac{1}{3}$$
- D. $$78\frac{2}{3}$$
Answer: Option B
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