Basic Maths Data Intensity 2 Questions and Answers Discussion Page.

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Basic Maths Data Intensity 2 :: Discussion

6.	P takes twice as much time as Q or thrice as much time as R to finish a piece of work. They can finish the work in 2 days if work together. How much time will Q take to do the work alone?
	A.	2 days
	B.	4 days
	C.	6 days
	D.	8 days

	Answer: Option C


	Explanation:
	Let P takes x days to complete the work Then Q takes x/2 days and R takes x/3 days to finish the work Amount of work P does in 1 day = 1/x Amount of work Q does in 1 day = 2/x Amount of work R does in 1 day = 3/x Amount of work P,Q and R do in 1 day = 1/x + 2/x + 3/x = 1/x (1 + 2 + 3) = 6/x 6/x = 2 => x = 12 => Q takes 12/2 days = 6 days to complete the work



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Published by:Michael Daani

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