Question

please solve 15 number?​

Answer 1

Answer:

total strength of the class is 48

Step-by-step explanation:

ratio=7:5

let boys be 7x

let girls be 5x respectively.

according to question,

7x-8=5x

2x=8

x=4...

∴ no of boys = 7x=7*4 =28

  no of girls= 5x= 5*4=20

hence total strength = 28+20=48

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