A, B and C can do a piece of work in 36,...

A, B and C can do a piece of work in 36, 54 and days respectively. They started the work but A left days before the completion of the work while B 12 days before the completion. The number of days for which C worked is `4` b. `8` c.`\ 12` d. `24`

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S CHAND IIT JEE FOUNDATION-DISTANCE, TIME AND SPEED -Unit Test-3

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