Question

There are three times as many girls
as boys in a school. Find an
expression, in terms of x, for the total
number of students in the school,
where x represents the numbers of
boys in the school.
No irregular Answers or else I will report your answers.
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Answer 1

Let the number of girls be x, then from the question, it is clear that number of boys are 3x,

Therefore, total no. of students = Number of boys + Number of girls = 3x+x=4x Now, the total number of children in the class must be a multiple of 4

(C) does not qualify this condition.

Therefore, 42 does not represent the total number of children in the class.