Question Paper from: Railway RPF Sub Inspector

The ratio of the number of boys and girls in a school of 720 students is 7 : 5. How many more girls should be admitted to make the ratio 1 : 1 : 1 ?

1:

90

2:

220

3:

120

4:

240

Solution:
Chapter Name: Ratio and Proportion

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Railway RPF Sub Inspector

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