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A and B can do a work in 18 day, B and C in 30 days, A and C in 22 (1/2) days. In how many days can A,B and C individually do the work? |
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Answer» None of these (A+B+C)'s two days work = 1/18 + 1/30 + 2/45 (A+B+C)'s one DAY work = 2/15 * 1/2 = 1/15 A's one day's work = 1/15 - 1/30 = 1/30 B's one day's work = 1/15 - 2/45 = 1/45 C's one day's work = 1/15 - 1/18= 1/90 So, A,B and C can individually do the work in 30, 45 and 90 days. |
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