A completes a work in 2 days, b in 4 days, c in 9 and d in 18 days. they form group of two such that difference is maximum between them to complete the work. what is difference in the number of days they complete that work?
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Answer=14/3 days
Explanation:
If C and D form a pair and A and B form a pair the difference is maximum.
Now C and D together can complete the work=9*189+189*189+18=6 days.
Now A and B together can complete the work=2*42+42*42+4=4/3 days.
Difference=(6-4/3)=14/3 days.
Explanation:
If C and D form a pair and A and B form a pair the difference is maximum.
Now C and D together can complete the work=9*189+189*189+18=6 days.
Now A and B together can complete the work=2*42+42*42+4=4/3 days.
Difference=(6-4/3)=14/3 days.
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