Two numbers are 90% and 75% lesser than a third number. By what % should the first number be increased so that it becomes equal to the second number?
Let say, third number is x.
So, first and second number is 0.10x and 0.25x .
So, first number shall be increased by
((0.25x-0.10x)/0.10x)×100=150% .
C is correct choice.
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