The number of girls in a class are 7 times the number of boys, which value can never be the of total students
Select the correct option:
A) 40  B) 48  C) 24  D) 30  E) 34
Explanation:   Let the boys are X, then girls are 7X, total = X+7X = 8X   So it should be multiple of 8, 30 is not a multiple of 8.   Option 30
<result>D</result>
The number of girls in a class are 7 times the number of boys, which value can never be the of total students