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63. यदि 5A = 6B तथा 6A = 4C, B: Cका अनुपात है

Answer»

5A = 6B A = 6B/56A = 4C6(6B/5) = 4C 36B/5 = 4C B/C = 4 × (5/36) = 5/9B:C = 5:9

B:C=5:9 is the right answer.



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