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1. Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio of A : B.
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- By: guest on 01 Jun 2017 05.47 pm5% of A + 4% of B = 2 (6% of A + 8% of B) 3 5 A + 4 B = 2 6 A + 8 B 100 100 3 100 100 1 A + 1 B = 1 A + 4 B 20 25 25 75 1 - 1 A = 4 - 1 B 20 25 75 25 1 A = 1 B 100 75 A = 100 = 4 . B 75 3 Required ratio = 4 : 3
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