Question

In a class there are 20 boys and 40 girls. What is the ratio of the number of boys to the number of girls

Answer 1

$\textbf{\underline{\underline{Answer :-}}}$

The ratio of the number of boys to the number of girls is 1 : 2

$\textbf{\underline{\underline{Explanation :-}}}$

Given :

Boys = 20

Girls = 40

To find :

The Ratio of number of boys to the number of girls

Solution :

Ratio of the number of boys to the number of girls =

→ 20 : 40

As ratio is to be presented in the simplest form , corresponding fraction of 20 : 40 =

$\sf{\implies \dfrac{20}{40} }$

Reduce the fraction

$\sf{\implies \dfrac{1}{2} }$

Ratio =

${\boxed{\sf\:{1 : 2} \: }}$

$\therefore$The ratio of the number of boys to the number of girls is 1 : 2

⟩⟩ Extra info ⟨⟨

→ What is Ratio ??

• Ratio is relation in which one quantity is compared with another quantity of the same kind.

→ Ratio can be written in several different ways :

• as a fraction ¾

• using the word 'to' 3 is to 4

• using the colon ' : ' 3 : 4