Question

5. In a class of 120 students, 75 are girls and the
rest are boys. Find the ratio of:
(i) number of boys to the total number of
students.
(ii) number of girls to the total number of
students.
(iii) number of girls to the number of boys.

Pls explains step-by-step. ​

Answer 1

Answer :

( i ) 9 / 24

( ii ) 15 / 24

( iii ) 15 / 9

Explanation :

Given :

• Total no. of. students = 120
• No. of. Girls = 75

According to the question :

No. of. Boys = Total - No. of. Girls

= 120 - 75

= 45 Boys

Ratio form = eg , x : y

Solving Questions :

( i ) No. of. Boys : Total

➳ 45 : 120

➳ 45 / 120

➳ 9 / 24

( ii ) No. of. Girls : Total

➳ 75 : 120

➳ 75 / 120

➳ 15 / 24

( iii ) No. of. Girls : No. of. Boys

➳ 75 : 45

➳ 75 / 45

➳ 15 / 9

So, It's Done !!