TS ICET 23 May 2018 Shift 1 Paper

Question : 100 of 200

Marks: +1, -0

Mr. A alone can finish a piece of work in 24 days. For the same work, to finish alone B and C require 18 days and 12 days respectively. The 3 persons worked for 4 days and then A left the job. then the number of days required to finish the remaining work by B and C together is?

Validate

Solution:

Let B and C worked for x more days after workingalong with A for the first 4 days.
Given A, B and C individually can complete the work in 24, 18 and 12 days respectively.

⇒ \;{4}/{24}+\;{4+x}/{18}+\;{4+x}/{12}=1

⇒4+x=5/6×36/5=6

⇒x=2

days

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