Mathematics
A can do a piece of work in 10 days, B in 18 days, and A, B and C together in 4 days. In what time would C do it alone?
Direct & Inverse Variations
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Answer
A's 1 day work =
B's 1 day work =
(A + B + C)'s 1 day work =
C's 1 day work =
=
=
=
=
=
C can do the work in
Hence, C can do the work alone in days.
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