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InterviewSolution
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Two members X and Y are respectively 20% and 28% less than a third number Z. By what percentage is the number Y less than the number X?1. 12%2. 10%3. 9%4. 8% |
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Answer» Correct Answer - Option 2 : 10% Given X is less than Z = 20% Y is less than Z = 28% Formula Used Percentage = (actual/total) × 100 Calculation ⇒ Let the Z be 100 ⇒ so, x = 100 - 20% of 100 = 80 ⇒ y = 100 - 28% of 100 = 72 ⇒ Percentage the number Y less than the X = [(80 - 72)/80] × 100 = 10% ∴ percentage is the number Y less than the number X is 10% |
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