The number of boys in a class is (7/2) times the number of girls. Which one of the following numbers cannot represent the total number of children in the class ?  Choose the correct choice from the following answers:  A) A)48  B) B)54  C) C)42  D) D)40  E) E)38
Explanation:   Let number of girls = x and number of boys = 3.5x.   Then, 3.5x + x = 4.5x = total number of students.   Thus, to find exact value of x, the total number of students must be divisible by 4.5   Answer: 54
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The number of boys in a class is (7/2) times the number of girls. Which one of the following numbers cannot represent the total number of children in the class ?