Question : If the income of R is 30% more than the income of Q and the income of Q is 20% more than the income of P, the income of R is how much percentage more than the income of P?
Option 1: 56%
Option 2: 28%
Option 3: 44%
Option 4: 51%
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Correct Answer: 56%
Solution : Let us assume that the income of P is 100 units ⇒ The income of Q = 120 units Income of R = 120 $\times$ 1.3 = 156 units $\therefore$ The required percentage = $\frac{(156-100)}{100}$×100 = $\frac{56}{100}$×100 = 56% Hence, the correct answer is 56%.
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