Mathematics
Sokotowski318
2016-04-23 09:52:27
7 indian and 4 chinese finish a job in 5 days. 7 japanese and 3 chinese finish the same job in 7 days. given that the efficiency of each person of a particular nationality is same but different from others.one chinese,one indian and one japanese will complete the work in
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Ash12345678910
2016-04-23 14:31:13

the answer is 20 7/12

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