Question

kisi class m boys or girls ki sankhiyo ka ratio 7:4 hai. yadi boys ki sankhiya, girls ki sankhaiya s 18 jaida h to class m total kitne students had? ​

Answer 1

Answer:

boys = 7x

girls = 4x

A/Q

7x = 4x+18

7x - 4x = 18

3x = 18

x = 18÷3

x = 6

boys = 7×6 = 42

girls = 4×6 = 24

total = 42 + 24

= 66

Answer 2

Question :

Ratio of Boys and Girls in a Class is 7:4. If No. of Boys is 18 more than Girls then find total Number of Students in Class.

AnswEr :

• B : G = 7 : 4
• Let the Boys be 7x
• And Girls be 5x

• According to Question Now ;

⇒ Boys Number = Girls Number + 18

• Using the Values

⇒ 7x = 4x + 18

⇒ 7x - 4x = 18

⇒ 3x = 18

• Dividing Both term by 3

⇒ x = 6

_________________________________

⋆ Total Students = Boys + Girls

» Total Students = ( 7x ) + ( 4x )

» Total Students = ( 7 × 6 ) + ( 4 × 6 )

» Total Students = 42 + 24

» Total Students = 66

჻ Total Number of Students in Class is 66.