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What is the value of X?

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Pawan can do a work in 20 days. Karthik can do the same work in 12 days and Rohan can do the same in 16 days.
Karthik and Rohan start the work and leave after 6 days.
Pawan finishes the remaining work in X days.
What is the value of X?

posted Jun 15 by Aman

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1 Answer

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Karthik and Rohan complete 6/12+6/16=7/8 part of the work, leaving 1/8 of the work incomplete.
If Pawan spends 20 days for full work then:

20-1
x-1/8

x=20*1/8=2.5 days for remaining work

The answer is 2.5 days

answer Jun 15 by Hanifa Mammadov
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