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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?
- A3 : 5
- B5 : 3
- C1 : 5
- D1 : 2
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CCommunity
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
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