Question

The number of boys in a class is four times the number of girls. Which one of the following numbers cannot represent the total number of children in the class?

• A. $5$
• B. $16$
• C. $30$
• D. $40$

Answer 1

Answer: (B)

$16$

Let the number of Girls be $=x$
So that number of boy $=4x$
Total number of students in class $=x+4x=5x$
The total number of students in the class has to be a multiple of $5$
Therefore, $16$ is not divisible by $5$.
Hence, option 'B' is correct.