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SSC MTS 19 Sep 2017 Shift 2 Paper

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Question : 58

Total: 100

X and Y can complete a work in 10 days, Y and Z in 12 days and X and Z in 15 days. What will be the ratio of efficiency of X, Y and Z respectively?

10 : 12 : 15
6 : 5 : 4
5 : 7 : 3
5 : 6 : 4

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