Question

In Class 12 of a school there are 70 % boys and 30 % girls.
Out of the boys 40% are prefects and from the girls 60%. Find the % of students who are not prefects.​

Answer 1

Answer:

For these type of questions we find out the fractional equivalent of the percentage and then multiply it to the given quantity to get the desired answer.

Here,

We have 60% = 60/100 = 3/5

We know that 3/5 of 25 is the number of boys in the class,

So, 3/5*25= 15 boys