General Aptitude › Percentage › Question #4532
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QIf 50% of the difference between x and y is equal to 30% of the sum of x and y, what percentage of x is y?

ID: #4532 Percentage 201 views
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#4532Q ID
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PercentageTopic
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  • A 24% ✔ ✖
  • B 25% ✔ ✖
  • C 34% ✔ ✖
  • D 45% ✔ ✖
Correct Answer

Explanation

The solution would be calculated as follows:

50% of (x-y) = 30% of (x+y)
(50/100)(x-y) = (30/100)(x+y)
5(x-y) = 3(x+y)
2x = 8y
x = 4y

Therefore, the required percentage is ((y/x) * 100)% = ((y/4y) * 100) = 25%.

This means that y is equal to 25% of x

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