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The income of X is 60% more than Y’s income and the income of Y is 40% more than Z’s income. X’s income is how much percentage more than Z’s income?
- A134
- B224
- C100
- D124
Answer not set
Discussion 1
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CCommunity
Let Z’s income be Rs. x
Y’s income = x + 40% of x = 1.4x
X’s income = 1.4x + 60% of 1.4x = 2.24x
∴ Required % = {(2.24x – x)/x} × 100 = 124%
Y’s income = x + 40% of x = 1.4x
X’s income = 1.4x + 60% of 1.4x = 2.24x
∴ Required % = {(2.24x – x)/x} × 100 = 124%