Q. 24.3( 44 Votes )

The number

Answer :

Ratio of number of girls and boys in a class = 7 ∶ 5

Let, no. of girls = 7x and no. of boys = 5x

According to problem,

⇒ 7x = 5x + 8

⇒ 2x = 8

⇒ x = 4

∴ Number of girls = 7x = 7 × 4 = 28

Number of boys = 5 × 4 = 20

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