Question

In a group of 20 children , 25% are girls. how many boys are there in the class?

Answer 1

$\huge\purple{Required \: Answer :}$

Total No. Of Children -

$20$

Total No. Of Girls -

$25\% \: of \: 20$

Therefore,

Total No. Of Boys -

$= 100\% - 25\% \\ = 75\% \: of \: 20$

Hence,

$= 75\% \times 20 \\ = \frac{75}{100} \times 20 \\ = 15 \: \: \: \: \: \: \: \: \: \: \: \: \: \:$

There are $\huge{15}$ Boys In the Class.

$\huge{Thanks}$

Answer 2

Answer:

no.of children=20

25%,are girl

therefore, no. of boys is equal to= 20*25/100%=5% ( ans-)