Arithmetic Ability
Time and Work

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Q.

P can do a piece of work in 5 less days than Q. If both of them can do the same work in 11 1/9days, in how many days will Q alone do the same work ?

View Answer

Correct choice: B

Explanation:

Let Q complete that work in 'L' days => 1/L + 1/L−5 = 9/100 => 9L2−245L+500=0 L = 25 days.
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