The income of lsquo A rsquo is 20 higher than that of lsquo B rsquo The income of lsquo B rsquo is 2...........

Quant (SSC) Percentage

The income of ‘A’ is 20% higher than that of ‘B’. The income of ‘B’ is 25% less than of ‘C’. What percent less is A’s income from C’s income?

10%

12.5%

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Explanation:

% change in the 1st case = 20% increase = 20% (+)
% change in 2nd case = 25% decrease = 25% (–)
Applying the net% effect formula,
Net% effect = x + y + xy/100%
= 20 - 25 - 20 x 25 /100 = – 5 – 5 = –10%
Therefore, the resultant % will be 10% less than the base income.