Dell Time and work Questions

Question 1

Time: 00:00:00
X and Y can do a piece of work in 20 days and 12 days respectively. 
X started the work alone and then after 4 days, Y joined him till
the completion of the work. How long did the work last?

6 days

6 days

10 days

10 days

20 days

20 days

15 days

15 days

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Question 2

Time: 00:00:00
P can complete a work in 12 days working 8 hours a day. 
Q can complete the same work in 8 days working 10 hours a day.
If both P and Q work together, working 8 hours a day,
in how many days can they complete the work?

5 5/11

5 5/11

5 6/11

5 6/11

6 5/11

6 5/11

6 6/11

6 6/11

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Question 3

Time: 00:00:00
A certain number of men complete a piece of work in 60 days. 
IF there were 8 men more the work would have been completed
in 10 days less. How many men were there originally?

30

30

35

35

40

40

45

45

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Question 4

Time: 00:00:00
A group of men can complete a job in K hours. After every 4 hours, 
half the number of men working at that point of time leave the job.
Continuing this way if the job is finished in 16 hours,
what is the value of K ?

7 hrs

7 hrs

7.5 hrs

7.5 hrs

8 hrs

8 hrs

8.25 hrs

8.25 hrs

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Question 5

Time: 00:00:00
In the beginning, Ram works at a rate such that he can finish a 
piece of work in 24 hrs, but he only works at this rate for 16 hrs.
After that, he works at a rate such that he can do the whole work
in 18 hrs. If Ram is to finish this work at a stretch,
howmany hours will he take to finish this work?

12 hrs

12 hrs

18 hrs

18 hrs

23/2 hrs

23/2 hrs

22 hrs

22 hrs

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Question 6

Time: 00:00:00
A can do a piece of work in 10 days, and B can do this work in 15 days. 
They both started together. After three days, B left the work.
In how many more days will the work be finished?

5 days

5 days

10 days

10 days

15 days

15 days

20 days

20 days

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Question 7

Time: 00:00:00
A can do a piece of work in 12 days. B can do this work in 16 days. 
A started the work alone. After how many days should B join him,
so that the work is finished in 9 days?

2 days

2 days

3 days

3 days

4 days

4 days

5 days

5 days

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Question 8

Time: 00:00:00
A and B can do a piece of work in 4 days, while C and D can 
do the same work in 12 days. In how many days will A, B, C and
D do it together?

12 days

12 days

4 days

4 days

3 days

3 days

2 days

2 days

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Question 9

Time: 00:00:00
A, B, C, and D can do a piece of work in 20 days. If A and B can 
do it together in 50 days, and C alone in 60 days,
find the time in which D alone can do it.

120 days

120 days

200 days

200 days

75 days

75 days

90 days

90 days

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Question 10

Time: 00:00:00
12 men can complete a work in 8 days. 16 women can complete the 
same work in 12 days. 8 men and 8 women started working and
worked for 6 days. How many more men are to be added to
complete the remaining work in 1 day?

8

8

12

12

16

16

25

25

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["Need more practice! \n","Keep trying! \n","Not bad! \n","Good work! \n","Perfect! \n"]
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