Management Aptitude Test Sep 2013 Paper

Question : 89 of 200

Marks: +1, -0

A and B can complete a task in 30 days when working together. After A and B have been working together for 11 days, B is called away and A completes the remaining task in the next 28 days. Had A been working alone, the number of days taken by him to complete the task would have been

33 $3/19$ days
19 $6/25$ day
44 $4/19$ days
33 $7/19$ days

Validate

Solution:

1/ 30

Now, they worked for 11 days.
11 day’s work =

11/30

Work remained = 1 -

11/30=19/30

Now, let A alone can finish the work in x days.
By given condition

1/x×28=19/30

x =

{28×30}/19=840/19

= 44

4/19

days

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