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EXAM Math Questions and Answer Page 8612

(#M40020664) EXAM QUESTION time and work Keep an EYE

A man can do a piece of work in 60 hours. If he takes his son with him and both work together then the work is finished in 40 hours. How many hours will the son take to do the same job, if he worked alone on the job?

A.

20

B.

60

C.

100

D.

120

Asked In exam MAN (12 years ago)

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(#M40020662) EXAM QUESTION time and work Keep an EYE

Pipes A and B can fill a tank in 12 min and 16 min respectively. Both are kept open for 'n' min and then B is closed and A fills the rest of the tank in 5 min. The time 'n' after which B was closed is:

A.

3 min

B.

2 min

C.

5 min

D.

4 min

Asked In exam MAN (12 years ago)

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(#M40020660) EXAM QUESTION time and work Keep an EYE

.

A, B and C, can complete a piece of work individually in 15, 30 and 40 days respectively. They started the work together and the A and B let 2 days and 4 days before the completion of the work respectively. In how many days was the work completed?

A.

10
13
15

B.

12

C.

15

D.

10
2
15

Asked In exam MAN (12 years ago)

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(#M40020659) EXAM QUESTION time and work Keep an EYE

A and B borrowed a tractor for 23 days. A ploughed 12 acres per day for a certain number of days and then Bused it to plough 15 acres per day for the remaining days. If they paid Rs 3,000 and Rs 2,000 respectively, for how many days did A use the tractor?

A.

12

B.

15

C.

16

D.

18

Asked In exam MAN (12 years ago)

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(#M40020657) EXAM QUESTION time and work Keep an EYE

A can build up a structure in 8 days and B can break it is 3 days. A has worked for 4 days and then B joined to work with A for another 2 days only. In how many days will A alone build up the remaining part of the structure?

A.

10

B.

9

C.

12

D.

None of these

Asked In exam MAN (12 years ago)

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(#M40020655) EXAM QUESTION time and work Keep an EYE

Anil does a work in 90 days, Bittu in 40 days and Chintu in 12 days. They work one after another for a day each, starting with Anil followed by Bittu and then by Chintu. If the total wages received are Rs 360 and Anil, Bittu, Chintu share them in the ratio of the work done, find their respective individual wages.

A.

Rs 40, Rs 60 and Rs 260

B.

Rs 36, Rs 81 and Rs 243

C.

Rs 42, Rs 86 and Rs 232

D.

Rs 38, Rs 88 and Rs 234

Asked In exam MAN (12 years ago)

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(#M40020652) EXAM QUESTION time and work Keep an EYE

A pump can be used either to fill or to empty a tank. The capacity of the tank is 3600m3. The emptying capacity of the pump is 10m3/min higher than its filling capacity. What is the emptying capacity of the pump if the pump needs 12 more minutes to fill the tank than to empty it?

A.

10
m3
min

B.

60
m3
min

C.

45
m3
min

D.

90
m3
min

Asked In exam MAN (12 years ago)

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(#M40020651) EXAM QUESTION time and work Keep an EYE

When Abhinav and Bipul are working alone, they can complete a piece of work in 25 days and 30 days respectively. On day 1, Bipul started the work and Abhinav joined B from day 3 on-wards. Find after how many days will the work be completed?

A.

13

B.

11

C.

15

D.

16

Asked In exam MAN (12 years ago)

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(#M40020650) EXAM QUESTION time and work Keep an EYE

The digging work of the DMRC on the Adohini-Andheriamore stretch requires Twenty-four men to complete the work in sixteen days. As a part of the task if DMRC were to hire Thirty-two women, they can complete the same work in twenty-four days. Sixteen men and sixteen women started working and worked for twelve days. Due to time bound schedule the work had to be completed in remaining 2 days, for which how many more men are to be employed?

A.

48

B.

24

C.

36

D.

16

Asked In exam MAN (12 years ago)

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(#M40020648) EXAM QUESTION time and work Keep an EYE

A bath can be filled by the cold water pipe in 10 min and by hot water pipe in 15 min (independently each). A person leaves the bathroom after turning on both pipes simultaneously and returns at the moments when the bath should be full. Finding, however, that the waste pipe has been open he now closes it. In 4 min more, bath is full. In what time would be the waste pipe empty it?

A.

9 min

B.

12 min

C.

15 min

D.

14 min

Asked In exam MAN (12 years ago)

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