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Question

Two numbers are in a ratio 2 : 3. What must be added to each of them so that the ratio becomes 4 : 5?


A

3

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B

2

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C

9

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D

4

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Solution

The correct option is B

2


Let the number to be added be x.

Then, (2 + x):(3 + x) = 4 : 5

2+x3+x=455(2+x)=4(3+x) 10+5x=12+4x 5x4x=1210 x=2


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