BA LLB Banaras Hindu University 2016 Solved Paper

Question : 114 of 170

Marks: +1, -0

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?

Validate

Solution:

Let number of boy's

=x

and number of girls

=y

According to questions,

x=y × 3

Total children

=x+y

=3 y+y

=4 y

Means childrens are in the multiple of

4 .

So, it can be

48,44,40

but not 42 .

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