A) 40%
B) 55%
C) 60%
D) 70%
Correct Answer: C
Solution :
Suppose the number of boys and girls in the class x and y respectively. Then, \[80y+60x=68\,\,(x+y)\] \[x:y=3:2\] Hence, the percentage of boys in the class \[=\frac{3}{5}\times 100=60%\]You need to login to perform this action.
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