1728 + Mcqs in Time and Work Page 10 McqOptions

451.	Pipes A and B can fill a tank in 15 and 12 minutes respectively. Pipe C can empty the same tank at the rate of 2 liters per minute when the tank is full. If all three pipes are operating at the same time, The tank gets emptied one hour. Tank capacity is
A.	14 liters
B.	12 liters
C.	18 liters
D.	16 liters
Answer» C. 18 liters

Discussion

452.	A can do a piece of work in 45 days. He works for 30 days and leaves. If B completes the remaining work in 5 days, then in how many days can B alone complete the entire work?
A.	10
B.	15
C.	18
D.	12
Answer» C. 18

Discussion

453.	P and Q undertook to do a work for Rs. 7200. P alone could do it in 20 days and Q alone in 12 days. With the assistance of R they ﬁnished the work in 5 days. What is the share (in Rs) of R?
A.	1800
B.	2400
C.	2800
D.	2600
Answer» C. 2800

Discussion

454.	A and B can complete a task in 50 days, B and C can complete it in 37.5 days while C and A can do the same task together in 30 days, How many days will A, B and C each take complete the task individually?
A.	40, 60 and 120
B.	60, 120 and 40
C.	75, 150 and 50
D.	50, 150 and 75
Answer» D. 50, 150 and 75

Discussion

455.	A tank is normally filled in 8 hours but takes 2 hours longer to fill because of a leak in the bottom. If the tank is full and due to leakage alone, the tank will get empty in _____ hours (Assume no further filling happens)
A.	20
B.	40
C.	30
D.	50
Answer» C. 30

Discussion

456.	If 5 men can do a work in 9 days, then in how many days will 3 men finish the same work?A. 12B.15C. 13D. 18
A.	B
B.	A
C.	C
D.	D
Answer» B. A

Discussion

457.	A pipe can fill a tank in 18 hours. In how much time (in hours) will another pipe operating at one-third the efficiency of the first pipe fill a tank whose capacity is 50% of that of the first tank?
A.	45
B.	21
C.	27
D.	36
Answer» D. 36

Discussion

458.	A can make a cupboard in 10 days and B can do it in 50 days. Along with C, they did the job in 6.25 days only. Then in how many days C alone can do the job?
A.	20
B.	25
C.	16
D.	15
Answer» C. 16

Discussion

459.	P can do a piece of work in 20 days and Q can do the same piece of work in 30 days. They start working together and work for 5 days and then both leave the work. R alone finishes the remaining work in 21 days. In how many days will R alone finish the whole work?
A.	30
B.	33
C.	36
D.	42
Answer» D. 42

Discussion

460.	A, B and C together can complete a work in 25 days. If the ratio of efficiency of A, B and C is 15 ∶ 10 ∶ 6 respectively, then in how many days C alone can complete the same work?
A.	727/6
B.	725/6
C.	775/6
D.	745/6
Answer» D. 745/6

Discussion

461.	Pipes A, B and C together can fill a cistern in 12 hours. All the three pipes are opened together for 4 hours and then C is close. A and B together take 10 hours to fill the remaining part of the cistern. C alone will fill two - thirds the cistern in:
A.	48 hours
B.	50 hours
C.	60 hours
D.	40 hours
Answer» E.

Discussion

462.	A and B can together finish a work in 30 days. They worked together for 20 days and then B left. After another 15 days, A finished the remaining work. In how many days A alone can finish the job?
A.	40 days
B.	30 days
C.	35 days
D.	45 days
Answer» E.

Discussion

463.	6 men can repair a road in 14 hours. How many men are required to repair the road in 4 hours?
A.	21
B.	14
C.	7
D.	28
Answer» B. 14

Discussion

464.	Each S and T can individually finish a work in 50 days. They worked together for 20 days and then left the work. How much of the work is left?
A.	1/5
B.	1/3
C.	1/2
D.	2/5
Answer» B. 1/3

Discussion

465.	A is 40% more efficient than B and C is 20% less efficient than B. Working together, they can finish a work is 5 days. In how many days will A alone complete 70% of that work?
A.	10
B.	8
C.	7
D.	9
Answer» C. 7

Discussion

466.	Arjun and Bhasker can complete a task in 16 days working together. Bhasker alone can do it in 20 days. After working for 8 days, Bhasker left the task. How many days will Arjun take to complete the remaining tasks?
A.	48
B.	32
C.	16
D.	8
Answer» B. 32

Discussion

467.	Kavita finishes a work in 30 dyas and Rashmi finishes the same worik in 25 days. In how many days will they finish the same work together?
A.	\(13\frac{7}{{11}}\)
B.	\(14\frac{7}{{11}}\)
C.	\(11\frac{7}{{11}}\)
D.	\(12\frac{7}{{11}}\)
Answer» B. \(14\frac{7}{{11}}\)

Discussion

468.	A can paint a house in 42 days and B can do it in 21 days. Along with C, they can finish the job in 7 days only. C alone can do the painting job in how many days?
A.	9
B.	12
C.	14
D.	15
Answer» D. 15

Discussion

469.	Pipes A and B can fill a tank in 5 hours and 20 hours respectively. If both pipes are opened then, how much time (in hours) it will take to fill the tank?
A.	4.5
B.	3
C.	3.5
D.	4
Answer» E.

Discussion

470.	A can complete a work in 8 days working 10 hours in a day and B can do the same in 12 days, working 8 hours a day. If both are working together, working 6 hours a day, in how many days can they complete the work?
A.	\(7\frac{3}{11}\)
B.	\(7\frac{1}{11}\)
C.	\(7\frac{9}{11}\)
D.	\(7\frac{5}{11}\)
Answer» B. \(7\frac{1}{11}\)

Discussion

471.	If x men working x hours per day can do x units of work in x days, then y men working y hours per day in y days would be able to do k units of work. What is the value of k?
A.	\(x^2y^{3}\)
B.	\(x^3y^{-2}\)
C.	\(y^2x^{-3}\)
D.	\(y^3x^{-2}\)
Answer» E.

Discussion

472.	P does half as much work as Q in 1/3 of the time. If together they take 15 days to complete a work, how many days will P take to do it alone?
A.	18
B.	25
C.	24
D.	21
Answer» C. 24

Discussion

473.	A alone can do a piece of work in 20 days while B takes 16 days to do it by himself. It takes them 8 days to complete the work together with C. If C and D can work in 60 days, then how many days will D need to complete the work by himself?
A.	252
B.	225
C.	240
D.	270
Answer» D. 270

Discussion

474.	If 36 workers can complete a work in 18 days, how many days are required to complete the same work by 27 workers?
A.	12.5
B.	22
C.	26
D.	24
Answer» E.

Discussion

475.	A does a work in 15 days and B does the same work in 30 days. In how many days they together will do the same work?
A.	10 days
B.	16 days
C.	12 days
D.	14 days
Answer» B. 16 days

Discussion

476.	42 horses consume 270 kg of corn in 27 days. If there are 21 horses only, then how many days will 300 kg of corn last?
A.	60
B.	72
C.	45
D.	48
Answer» B. 72

Discussion

477.	A, B and C can do a job working alone in 20, 40 and 120 days respectively. If they worked together in how many days they can do the job?
A.	15
B.	10
C.	12
D.	9
Answer» D. 9

Discussion

478.	24 experts can do as much work as 40 trainees in a given period of time. A piece of work can be done by 9 experts and 25 trainees. How many trainees alongside 12 experts would one need to complete a similar work in the same duration of time?
A.	22
B.	18
C.	24
D.	20
Answer» E.

Discussion

479.	16 workers working 8 hours per day can demolish a building in 32 days. In how many days 24 workers working 12 hours per day can demolish the same building?
A.	128/3 days
B.	56/3 days
C.	128/9 days
D.	56/9 days
Answer» D. 56/9 days

Discussion

480.	A can do 50% of the job in 16 days, B can do one-fourth of the same job in 24 days. Working together, In how many days they can do seven-fourth of the job?
A.	24
B.	42
C.	27
D.	28
Answer» C. 27

Discussion

481.	6 boys or 10 girls can do a job in 25 days. How many days will it take 12 boys and 30 girls to do the same work?A. 10B. 5C. 15D. 20
A.	C
B.	D
C.	A
D.	B
Answer» E.

Discussion

482.	If 27 people, working 8 hours a day, can complete a task in 12 days, then in how many days will 18 people finish the task, working 9 hours a day?
A.	15 days
B.	16 days
C.	18 days
D.	20 days
Answer» C. 18 days

Discussion

483.	G is twice as fast as S in doing work. If G can do a work in 30 days, in how many days will they take to complete the work together?A. 25B. 20C. 22D. 15
A.	D
B.	B
C.	A
D.	C
Answer» C. A

Discussion

484.	A can paint a house in 25 days and B can do it in 10 days. Along with C, they did the job in 6.25 days only. Then in how many days, C alone can do the job?
A.	50
B.	40
C.	30
D.	60
Answer» B. 40

Discussion

485.	Pipes A and B can fill a tank in 12 minutes and 15 minutes, respectively. The tank when full can be emptied by pipe C in x minutes. When all the three pipes are opened simultaneously, the tank is full in 10 minutes. The value of x is:
A.	24
B.	18
C.	15
D.	20
Answer» E.

Discussion

486.	A can complete one-third of a work in 5 days and B can do 2/5th of the same work in 10 days. They work together for 6 days. The remaining work is completed by C in 18 days. C alone will do the same work in:
A.	50 days
B.	30 days
C.	25 days
D.	45 days
Answer» B. 30 days

Discussion

487.	10 people can build a wall in 12 days. Six people, each only half as efficient as those in the first group, will be able to complete 3/5 of such a wall in:
A.	24 days
B.	25 days
C.	20 days
D.	18 days
Answer» B. 25 days

Discussion

488.	If 45 persons can complete a work in 18 days, working 8 hours a day, then how many persons are required to complete two-thirds of the same work in 20 days, working 9 hours a day?
A.	24
B.	40
C.	36
D.	30
Answer» B. 40

Discussion

489.	14 workers can make 10 tables in 5 days. 10 workers started working, and 1 worker joined on the 5th day. How many days will take to make 12 tables?
A.	4
B.	7
C.	9
D.	8
Answer» E.

Discussion

490.	A is twice as efficient as B, who is thrice as efficient as C. If C alone can complete the task in 30 days, then in how many days can they together complete the task?
A.	3
B.	4
C.	5
D.	6
Answer» B. 4

Discussion

491.	A person X can complete 20% of work in 8 days and another person Y can complete 25% of the same work in 6 days. If they work together, in how many days will 40% of the work be completed?
A.	6
B.	8
C.	10
D.	12
Answer» B. 8

Discussion

492.	'A' can complete a piece of work in 12 days. 'A' and 'B' together can complete the same piece of work in 8 days. How many days can 'B' alone complete the same piece of work?
A.	15 days
B.	28 days
C.	15 days
D.	24 days
Answer» E.

Discussion

493.	A & B can finish a work in 12 days, B & C in 15 days and A & C in 20 days. In how many days would A alone finish the work?A. 20B. 30C. 40D. 60
A.	D
B.	B
C.	C
D.	A
Answer» C. C

Discussion

494.	Anil, Deepak and Dinesh together can complete a work in 35 days. Anil and Dinesh together can complete the same work in 60 days. In how many days Deepak alone can complete the same work?
A.	105 days
B.	84 days
C.	96 days
D.	110 days
Answer» C. 96 days

Discussion

495.	A can finish a task in 6 days by working for 8 hours/day and B has the capacity to finish the same task in 8 days by working for 6 hours/day. In how many days will they finish it together by working 4 hours a day?
A.	9 days
B.	6 days
C.	8 days
D.	12 days
Answer» C. 8 days

Discussion

496.	A is 20% more efficient than B.They both together complete the work in 20 days.In how many days B will alone complete the work?
A.	12 days
B.	48 days
C.	44 days
D.	24 days
Answer» D. 24 days

Discussion

497.	A is more efficient than B and they together can complete a work in 24 days. Had A done 50% of the work and then B, the remaining work, then the work would have been done in 50 days. B alone will complete 40% of the same work in:
A.	16 days
B.	24 days
C.	21 days
D.	20 days
Answer» C. 21 days

Discussion

498.	If 6 men and 8 women can do a piece of work in 10 days; and 13 men and 24 women can do the same work in 4 days, then what is the ratio of daily work done by a man to that of a woman?
A.	2 : 1
B.	1 : 2
C.	4 : 3
D.	3 : 4
Answer» B. 1 : 2

Discussion

499.	21 workers can repair a road in 40 days. If they are joined by 7 more workers, then in how much time (in days) the road can be repaired?
A.	27
B.	28
C.	30
D.	32
Answer» D. 32

Discussion

500.	A can complete a work in 20 days and B can complete the same work in 25 days. If both of them work together, then in 3 days what percent of the total work will be completed?
A.	9
B.	12
C.	25
D.	27
Answer» E.

Discussion

Explore topic-wise MCQs in General Aptitude.

Pipes A and B can fill a tank in 15 and 12 minutes respectively. Pipe C can empty the same tank at the rate of 2 liters per minute when the tank is full. If all three pipes are operating at the same time, The tank gets emptied one hour. Tank capacity is

A can do a piece of work in 45 days. He works for 30 days and leaves. If B completes the remaining work in 5 days, then in how many days can B alone complete the entire work?

P and Q undertook to do a work for Rs. 7200. P alone could do it in 20 days and Q alone in 12 days. With the assistance of R they ﬁnished the work in 5 days. What is the share (in Rs) of R?

A and B can complete a task in 50 days, B and C can complete it in 37.5 days while C and A can do the same task together in 30 days, How many days will A, B and C each take complete the task individually?

A tank is normally filled in 8 hours but takes 2 hours longer to fill because of a leak in the bottom. If the tank is full and due to leakage alone, the tank will get empty in _____ hours (Assume no further filling happens)

If 5 men can do a work in 9 days, then in how many days will 3 men finish the same work?A. 12B.15C. 13D. 18

A pipe can fill a tank in 18 hours. In how much time (in hours) will another pipe operating at one-third the efficiency of the first pipe fill a tank whose capacity is 50% of that of the first tank?

A can make a cupboard in 10 days and B can do it in 50 days. Along with C, they did the job in 6.25 days only. Then in how many days C alone can do the job?

P can do a piece of work in 20 days and Q can do the same piece of work in 30 days. They start working together and work for 5 days and then both leave the work. R alone finishes the remaining work in 21 days. In how many days will R alone finish the whole work?

A, B and C together can complete a work in 25 days. If the ratio of efficiency of A, B and C is 15 ∶ 10 ∶ 6 respectively, then in how many days C alone can complete the same work?

Pipes A, B and C together can fill a cistern in 12 hours. All the three pipes are opened together for 4 hours and then C is close. A and B together take 10 hours to fill the remaining part of the cistern. C alone will fill two - thirds the cistern in:

A and B can together finish a work in 30 days. They worked together for 20 days and then B left. After another 15 days, A finished the remaining work. In how many days A alone can finish the job?

6 men can repair a road in 14 hours. How many men are required to repair the road in 4 hours?

Each S and T can individually finish a work in 50 days. They worked together for 20 days and then left the work. How much of the work is left?

A is 40% more efficient than B and C is 20% less efficient than B. Working together, they can finish a work is 5 days. In how many days will A alone complete 70% of that work?

Arjun and Bhasker can complete a task in 16 days working together. Bhasker alone can do it in 20 days. After working for 8 days, Bhasker left the task. How many days will Arjun take to complete the remaining tasks?

Kavita finishes a work in 30 dyas and Rashmi finishes the same worik in 25 days. In how many days will they finish the same work together?

A can paint a house in 42 days and B can do it in 21 days. Along with C, they can finish the job in 7 days only. C alone can do the painting job in how many days?

Pipes A and B can fill a tank in 5 hours and 20 hours respectively. If both pipes are opened then, how much time (in hours) it will take to fill the tank?

A can complete a work in 8 days working 10 hours in a day and B can do the same in 12 days, working 8 hours a day. If both are working together, working 6 hours a day, in how many days can they complete the work?

If x men working x hours per day can do x units of work in x days, then y men working y hours per day in y days would be able to do k units of work. What is the value of k?

P does half as much work as Q in 1/3 of the time. If together they take 15 days to complete a work, how many days will P take to do it alone?

A alone can do a piece of work in 20 days while B takes 16 days to do it by himself. It takes them 8 days to complete the work together with C. If C and D can work in 60 days, then how many days will D need to complete the work by himself?

If 36 workers can complete a work in 18 days, how many days are required to complete the same work by 27 workers?

A does a work in 15 days and B does the same work in 30 days. In how many days they together will do the same work?

42 horses consume 270 kg of corn in 27 days. If there are 21 horses only, then how many days will 300 kg of corn last?

A, B and C can do a job working alone in 20, 40 and 120 days respectively. If they worked together in how many days they can do the job?

24 experts can do as much work as 40 trainees in a given period of time. A piece of work can be done by 9 experts and 25 trainees. How many trainees alongside 12 experts would one need to complete a similar work in the same duration of time?

16 workers working 8 hours per day can demolish a building in 32 days. In how many days 24 workers working 12 hours per day can demolish the same building?

A can do 50% of the job in 16 days, B can do one-fourth of the same job in 24 days. Working together, In how many days they can do seven-fourth of the job?

6 boys or 10 girls can do a job in 25 days. How many days will it take 12 boys and 30 girls to do the same work?A. 10B. 5C. 15D. 20

If 27 people, working 8 hours a day, can complete a task in 12 days, then in how many days will 18 people finish the task, working 9 hours a day?

G is twice as fast as S in doing work. If G can do a work in 30 days, in how many days will they take to complete the work together?A. 25B. 20C. 22D. 15

A can paint a house in 25 days and B can do it in 10 days. Along with C, they did the job in 6.25 days only. Then in how many days, C alone can do the job?

Pipes A and B can fill a tank in 12 minutes and 15 minutes, respectively. The tank when full can be emptied by pipe C in x minutes. When all the three pipes are opened simultaneously, the tank is full in 10 minutes. The value of x is:

A can complete one-third of a work in 5 days and B can do 2/5th of the same work in 10 days. They work together for 6 days. The remaining work is completed by C in 18 days. C alone will do the same work in:

10 people can build a wall in 12 days. Six people, each only half as efficient as those in the first group, will be able to complete 3/5 of such a wall in:

If 45 persons can complete a work in 18 days, working 8 hours a day, then how many persons are required to complete two-thirds of the same work in 20 days, working 9 hours a day?

14 workers can make 10 tables in 5 days. 10 workers started working, and 1 worker joined on the 5th day. How many days will take to make 12 tables?

A is twice as efficient as B, who is thrice as efficient as C. If C alone can complete the task in 30 days, then in how many days can they together complete the task?

A person X can complete 20% of work in 8 days and another person Y can complete 25% of the same work in 6 days. If they work together, in how many days will 40% of the work be completed?

'A' can complete a piece of work in 12 days. 'A' and 'B' together can complete the same piece of work in 8 days. How many days can 'B' alone complete the same piece of work?

A & B can finish a work in 12 days, B & C in 15 days and A & C in 20 days. In how many days would A alone finish the work?A. 20B. 30C. 40D. 60

Anil, Deepak and Dinesh together can complete a work in 35 days. Anil and Dinesh together can complete the same work in 60 days. In how many days Deepak alone can complete the same work?

A can finish a task in 6 days by working for 8 hours/day and B has the capacity to finish the same task in 8 days by working for 6 hours/day. In how many days will they finish it together by working 4 hours a day?

A is 20% more efficient than B.They both together complete the work in 20 days.In how many days B will alone complete the work?

A is more efficient than B and they together can complete a work in 24 days. Had A done 50% of the work and then B, the remaining work, then the work would have been done in 50 days. B alone will complete 40% of the same work in:

If 6 men and 8 women can do a piece of work in 10 days; and 13 men and 24 women can do the same work in 4 days, then what is the ratio of daily work done by a man to that of a woman?

21 workers can repair a road in 40 days. If they are joined by 7 more workers, then in how much time (in days) the road can be repaired?

A can complete a work in 20 days and B can complete the same work in 25 days. If both of them work together, then in 3 days what percent of the total work will be completed?