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Question

If Mohan's income is 25% more than Raman's income, then Raman's income is less than Mohan's income by

(a) 25%
(b) 80%
(c) 20%
(d) 75%

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Solution

The correct option is (c): 20%

Let Raman's income be x. It is given that Mohan's income is 25% more than Raman's income.

Then, Mohan's income = x+25% of x=x+25100x=x(1+25100)

=x(100+25100)=125100x=5x4

Raman's income as compared to Mohan's income (in %)

=Mohan's income - Raman's incomeMohan's income×100%

=5x4x5x4×100%=(5x4x4)(5x4)×100%

=x5x×100%=20%


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