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if a:b = 2:3 and b:c = 4:5 then a:b:c

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The ratio of efficiency of A is to C is 5:3. The ratio of no.of days taken by B is to C is 2:3. A takes 6 days less than C, when A and C completes the work individually. B and C left the work after 2 days. The no of days taken by A to finish the remaining work ?

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Answer : C. 6

If A:B =5:9, B:C=3:8 then A:B:C ?

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Answer : A=5 B=9...

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