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, then the income of R is how much percent more than the income of P?
Option 1: 50%
Option 2: 10%
Option 3: 56%
Option 4: 55%
Correct Answer: 56%
Solution :
Let the income of P be 100.
So, the income of Q = 100 × 1.2 = 120
Income of R = 120 × 1.3 = 156
R's income is more than P's income by:
= $\frac{156–100 }{100}$ × 100
= $\frac{56}{100}$ × 100
= 56%
Hence, the correct answer is 56%.
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