A is thrice efficient as B and C is twice as efficient as B. what is the ratio of number of days taken by A,B and C , when they work individually?

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Accepted Answer

A : B : C Ratio of efficiency 3 : 1 : 2 Ratio of number of days { 1/3 : 1/1 : 1/2 } or 2 : 6 : 3 Hence, (a) is correct [ Time = 1/ Efficiency ]

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