Practice Questions on Time and Work
Aptitude Questions and Answers

Moderate Time And Work Question - 26

Q26.

$A$, $B$ and $C$ can do a work in 5 days, 10 days and 15 days respectively. They started together to do the work but after 2 days $A$ and $B$ left. $C$ did the remaining work (in days)

A.

1

B.

3

C.

5

D.

4

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Moderate Time And Work Question - 27

Q27.

Jay and Anup can do a job, each working alone in 30 and 15 days respectively. Jay started the work and after a few days, Anup joined him. They completed the work in 18 days from the start. After how many days did Anup join A?

A.

6

B.

10

C.

12

D.

14

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Moderate Time And Work Question - 28

Q28.

Pipe $A$ can fill a tank in '$a$' hours. On account of a leak at the bottom of the tank it takes thrice as long to fill the tank. How long will the leak at the bottom of the tank take to empty a full tank, when pipe $A$ is kept closed?

A.

\(\dfrac{3a}{2}\) hours

B.

\(\dfrac{2a}{3}\) hours

C.

\(\dfrac{4a}{3}\) hours

D.

\(\dfrac{3a}{4}\) hours

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Moderate Time And Work Question - 29

Q29.

Pavan builds an overhead tank in his house, which has three taps attached to it. While the first tap can fill the tank in 12 hours, the second one takes one and a half times than the first one to fill it completely. A third tap is attached to the tank which empties it in 36 hours.

Now one day, in order to fill the tank, Pavan opens the first tap and after two hours opens the second tap as well. However, at the end of the sixth hour, he realizes that the third tap has been kept open right from the beginning and promptly closes it.

What will be the total time required to fill the tank?

A.

8 hours 48 minutes

B.

9 hours 12 minutes

C.

9 hours 36 minutes

D.

8 hours 30 minutes

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Moderate Time And Work Question - 30

Q30.

Ram, who is half as efficient as Krish, will take 24 days to complete a work if he worked alone. If Ram and Krish worked together, how many days will they take to complete the work?

A.

16

B.

12

C.

8

D.

18

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