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1). 82%2). 84%3). 85%4). 86% |
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Answer» ⇒ a = 7b The percentage by which b is LESS than a = [(a – b)/a] × 100 = [(7b – b)/7b] × 100 = (6/7) × 100 ≈ 86% ∴ The percentage by which b is less than a = 86% |
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