A) 32
B) 37
C) 42
D) 49
Correct Answer: C
Solution :
The number of boys and girls in each class is the H.C.F. of 391 and 323 which is 17. Number of classes \[=\frac{391}{17}+\frac{323}{17}=23+19=42\]You need to login to perform this action.
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