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In a school, 10% of number of girls is e...

In a school, 10% of number of girls is equal to `1/20` th of number of boys. Ratio between the number of boys to number of girls is:

A

`1:2`

B

`2:1`

C

`1:4`

D

`4:1`

Text Solution

Verified by Experts

The correct Answer is:
B
मानाकि लड़कों की संख्या B तथा लड़कियों की संख्या G है। प्रश्नानुसार,
`Gxx(10)/(100)=Bxx(1)/(20)`
`=(G)/(B)=(1)/(20)xx(100)/(10)=(1)/(2)`
`implies(B)/(G)=2:1`
अभिष्ट अनुपात `=2:1`
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