A can made railway track two given station in 16 days and B can do the same job in 12 days of with the help of C they did in 4 days only in how many days C takes to complete the job alone ?
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Answer:
48/5 days
Step-by-step explanation:
A's one day work =1/16
B's one day work=1/12
(A and B)'s one day work= 1/16+1/12
=3+4/48
=7/48 ........(1)
now
(A+B+C)'s one day work =1/4
C' one day work= 1/4-(A+B)'s one day work
= 1/4-7/48
=12-7/48
=5/48
Hence C alone can finish the work in 48/5 days.
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