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Question on Time & Work Quiz-1

Question 1

Time: 00:00:00

Two pipes can fill the cistern in 10hr and 12 hr respectively, while the third empty it in 20hr. If all pipes are opened simultaneously, then the cistern will be filled in

7.5 hr

8 hr

8.5 hr

10 hr

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Question 2

Time: 00:00:00

Mr. Ram is on tour and he has Rs 360 for his expenses. If he exceeds his tour by 4 days he must cut down daily expenses by Rs 3. The number of days of Mr. Ram's tour programme is

28 Days

24 Days

22 Days

20 Days

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Question 3

Time: 00:00:00

How many times will minute hand and hour hand coincide in one day?

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Question 4

Time: 00:00:00

How many times will minute hand and hour hand opposite in one day?

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Question 5

Time: 00:00:00

A and B together can complete a piece of work in 35 days while A alone can complete the same work in 60 days. B alone will be able to complete the same working in:

74 Days

80 Days

84 Days

90 Days

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Question 6

Time: 00:00:00

A tire has punctured. The first puncture alone would have made the tire flat in 9 minutes and the second alone would have done it in 6 minutes. If air leaks out at a constant rate, how long does it take both the punctures together to make it flat?

1x1/2 minutes

3x1/2 minutes

3x3/5 minutes

4x1/4 minutes

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Question 7

Time: 00:00:00

A does a work in 10 days and B does the same work in 15 days. In how many days they together will do the same work?

5 days

6 days

8 days

9 days

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A's 1 day's work = 1/10
and B's 1 day's work = 1/15.
(A+B)'s 1 day's work = (1/10+1/15)
= 1/6.

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Question 8

Time: 00:00:00

A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is

1/4

1/10

7/15

8/15

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A's 1 day's work = 1/15
B's 1 day's work = 1/20
(A+B)'s 1 day's work = (1/15 + 1/20)
= 7/60.
(A+B)'s 4 day's work = (7/60x4)
= 7/15.
Remaining Work = (1–7/15)
= 8/15.

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Question 9

Time: 00:00:00

A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work in 44 days. In how many days shall B finish the whole work alone?

30 days

40 days

60 days

70 days

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A's 1 day's work = x
B's 1 day's work = y
Then, x+y = 1/30 and 16x+44y = 1.
Solving these two equations, we get x=1/10 and y=1/60
Therefore B's 1 day's work= 1/60.

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Question 10

Time: 00:00:00

A, B and C are employed to do a piece of work for Rs.529. A and B together are supposed to do 19/23 of the work and Band C together 8/23 of the work. What amount should A be paid?

Rs.315

Rs.345

Rs.355

Rs.375

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

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

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