If income of X is 20% more than that of Y and income of Y is 25% less than that of Z, then the total…
Let the income of Z be 20 units. Since Y's income is 25% less than Z's, Y = 20 × 0.75 = 15 units. Since X's income is 20% more than Y's, X = 15 × 1.20 = 18 units. Therefore,…
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If income of X is 20% more than that of Y and income of Y is 25% less than that of Z, then the total income of X, Y and Z are in which of the following ratios?
Answer and explanation
Correct answer A
Let the income of Z be 20 units. Since Y's income is 25% less than Z's, Y = 20 × 0.75 = 15 units. Since X's income is 20% more than Y's, X = 15 × 1.20 = 18 units. Therefore, the ratio of the incomes of X, Y, and Z is 18 : 15 : 20.
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