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A is 48% more then B. C is 60% more than twice the difference between A and B. By what percent is C more than A (correct to one decimal place)?1. 3.8%2. 4.6%3. 5.2%4. 4.1% |
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Answer» Correct Answer - Option 1 : 3.8% Given: A = 148%B C = 160% of 2(A – B) Calculation: According to question ⇒ A = 148/100 × B ⇒ A = 1.48B ----(1) ⇒ C = 160/100 × 2(A – B) ⇒ C = 3.2(A – B) ⇒ C = 3.2A – 3.2A/1.48 ⇒ C = (4.736A – 3.2A)/1.48 ⇒ C = 1.536A/1.48 ⇒ C = 1.038A ⇒ C/A = 1.038/1 % of C more than A = (1.038 – 1)/1 × 100 ⇒ 3.8% ∴ C more than A by 3.8% |
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