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· started a discussion

· 1 Months ago

not und3r5standig (Question:873957.0)

abc

Question:

X can do a piece of work in 6 day, while X and Y together can complete it in  112    days. How long will Y alone take to complete?

Options:
A)

2 days

B)

4 days

C)

412    days

D)

3 days

Solution:

Ans: (a)

  

Knowledge Expert

· commented

· 1 Months ago

x-6=1/6
x+y=3/2=2/3
(one day) Y=(x+y)-(x)
=2/3-1/6
=4-1/6=3/6
Required time=6/3=2
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