time and work quiz 1

Question 1

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, how many hours will he take to finish this work?

12 hrs

12 hrs

18 hrs

18 hrs

15 hrs

15 hrs

22 hrs

22 hrs

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Question 2

Time: 00:00:00
A can do a piece of work in 10 days, and B can do the same work in 20 days. With the help of C, they finished the work in 4 days. C can do the work in how many days, working alone?

5 days

5 days

10 days

10 days

15 days

15 days

20 days

20 days

25 days

25 days

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Question 3

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

1 days

1 days

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Question 4

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

3 days

3 days

2 days

2 days

None of these

None of these

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Question 5

Time: 00:00:00
A and B can do a piece of work in 40 days, B and C can do it in 120 days. If B alone can do it in 180 days, in how many days will A and C do it together?

45 days

45 days

22.5 days

22.5 days

25 days

25 days

18 days

18 days

12 days

12 days

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Question 6

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

150 days

150 days

90 days

90 days

75 days

75 days

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Question 7

Time: 00:00:00
A, B, and C can do a piece of work in 8 days. B and C together do it in 24 days. B alone can do it in 40 days. In what time will it be done by C working alone?

25 days

25 days

24 days

24 days

60 days

60 days

20 days

20 days

30 days

30 days

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Question 8

Time: 00:00:00
A and B undertake to do a piece of work for Rs. 450. A can do it in 20 days and B can do it in 40 days. With the help of C, they finish it in 8 days. How much should C be paid for his contribution?

Rs. 180

Rs. 180

Rs. 40

Rs. 40

Rs. 120

Rs. 120

Rs. 60

Rs. 60

Rs. 50

Rs. 50

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Question 9

Time: 00:00:00
Daku and Tamatar can do a piece of work in 70 and 60 days respectively. They began the work together, but Daku leaves after some days and Tamatar finished the remaining work in 47 days. After how many days did Daku leave?

14 days

14 days

16 days

16 days

18 days

18 days

10 days

10 days

7 days

7 days

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["0","40","60","80","100"]
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