The number of boys in a class is three times the number of girls. Which one of the following numbers cannot represent the total number of children in the class ? Choose the correct option
A) 48  B) 44  C) 42  D) 40  E) 38
Explanation:   Let number of girls = x and number of boys = 3x.   Then, 3x + x = 4x = total number of students.   Thus, to find exact value of x, the total number of students must be divisible by 4.   Answer: 42
<result>C</result>
The number of boys in a class is three times the number of girls. Which one of the following numbers cannot represent the total number of children in the class ?