Q14 of 62 Page 121

A’s income is 20% less than that of B. By what per cent is B’s income more than A’s?

Let B’s income = 100


Then, A’s income = (100 – 20) = 80


∴ B’s income more than A’s income = (100 – 80)/80 × 100


= 20/80 × 100


= 1/4 × 100


= 25


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