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33 vote

If two numbers are respectively 30% and 50% of a third number, what is the ratio between the first two numbers?

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If two numbers are respectively 30% and 50% of a third number, what is the ratio between the first two numbers?


1). 3 : 5
2). 5 : 3
3). 1 : 5
4). 1 : 2


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1 answers

19 vote
Answered by on | Votes 19 |

Let the 3rd number be ‘x’

So, 1st number = 30% of x = 0.3x and 2nd number = 50% of x = 0.5x

∴ Ratio between the first two numbers = 0.3x : 0.5x = 3 : 5

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