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 ?
A. 48
B. 44
C. 42
D. 40
Answer: Option C
Solution (By Examveda Team)
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.

Sir 42 is not divisible by 4