Question

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

Answer 1

Let B's income = Rs. 100 Then A's income = 20$\%$ less than B's = 100 -20 =Rs. 80 Difference = 100 - 80 = 20 $\therefore$ B's more income that A's = $\frac{20}{80}$ $\times$ 100 = 25 $\%$