In a school the number of boys and girl...

In a school the number of boys and girls are in the ratio of 4:7. If the number of boys are increased by 25% and the number of girls are increased by 15%. What will be the new ratio of number of boys to that of girls?

`100:131`

`100:151`

`100:161`

`100:181`

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Verified by Experts

The correct Answer is:

(c ) Boys= 4x and girls=7x
Ratio `=(4x xx (125)/(100)):(7x xx (115)/(100))=100:161`

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