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If A: B = 2: 3 and B: C = 4: 5, then C: A =?(a)15: 8 (b)6: 5 (c)8: 5 (d)8: 15 |
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Answer» (a) 15: 8 Because, A: B = 2: 3 AND B: C = 4: 5 = (A/B) = (2/3) and (B/C) = (4/5) = (A/B) × (B/C) = (2/3) × (4/5) = (A/C) = (8/15) = (C/A) = (15/8) Hence, c: a = 15:8 |
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