Given below are two quantities named A & B. Based on the given information, you have to determine the relation between the two quantities. You should use the given data and your knowledge of Mathematics to choose between the possible answers.Quantity A: Three persons P, Q and R working together can complete a piece of work in 30 days. P & R together can finish the work in half the time Q can finish it and P & Q together are thrice efficient than R. In how many days Q can finish the work alone?Quantity B: Two persons A and B can finish a piece of work in 12 days. If A works thrice its efficiency and B works half of its efficiency then the work will be finished in 8 days. Find the time in which A will complete thrice the work alone.

Quantity A = Quantity B or No relation.

One tap can fill a water tank in 3 hours and another tap can empty it in 4 hours. If the tank is one-third full and both the taps are opened together, then the time taken to fill the tank will be

None of the above / More than one of the above

1728 + Mcqs in Time and Work in General Aptitude Page 4 McqOptions

151.	Amar completes a work in 6 days. But if he works with Prem, that work completes in 2 days. How many days will Prem alone take to finish the work?
A.	2
B.	2.5
C.	4
D.	3
Answer» E.

Discussion

152.	A can do 50% more work than B in same time. B alone can do a piece of work in 30 hours. B starts working and had already worked for 12 hours when A joins him. How many hours should B and A work together to complete the remaining work?
A.	16 hours
B.	12 hours
C.	4.8 hours
D.	7.2 hours
Answer» E.

Discussion

153.	24 men complete a work in 16 days and 32 women complete it in 24 days. 16 men and 8 women started that work and worked for 12 days in the remaining work is to be completed in 4 days, the number of men to be further added to the existing workforce is
A.	16
B.	14
C.	12
D.	9
Answer» B. 14

Discussion

154.	A, B, and C can complete a task together in 10 days. A and B would need 12 days, while B and C would take 20 days. If B worked alone, how many days would he take to complete the task?
A.	22
B.	45
C.	30
D.	20
Answer» D. 20

Discussion

155.	A stock of food grains is enough for 240 men for 48 days. How long will the same stock last for 160 men?
A.	72 days
B.	64 days
C.	60 days
D.	54 days
Answer» B. 64 days

Discussion

156.	Pipes A, B and C can fill a tank in 10, 15 and 30 hours, respectively. D is an emptying pipe which alone can empty the full tank in x hours. A, B and C are opened together for 3 hours and then closed. Now D is opened which alone empties the tank in 30 hours. What is the value of x?
A.	40
B.	50
C.	45
D.	60
Answer» C. 45

Discussion

157.	A, B and C can complete a piece of work in 4, 20 and 60 days respectively. Working together, they can complete the same work in how many days?
A.	31/19
B.	53/19
C.	60/19
D.	51/19
Answer» D. 51/19

Discussion

158.	A can finish a piece of work in a certain number of days. B takes 45% more number of days to finish the same work independently. They worked together for 58 days and then the remaining work was done by B alone in 29 days. In how many days could A have completed the work, had he worked alone?
A.	118 days
B.	98 days
C.	120 days
D.	110 days
Answer» B. 98 days

Discussion

159.	If 16 men working 12 hours a day can complete a work in 27 days, then working for how many hours a day can 18 men complete the work in 24 days?
A.	9
B.	16
C.	12
D.	18
Answer» D. 18

Discussion

160.	A can do a certain job in 12 days. B is 60% more efficient than A. To do the same job B alone would take?
A.	$7\frac{1}{2} $ days
B.	8 days
C.	10 days
D.	7 days
Answer» B. 8 days

Discussion

161.	B would have taken 10 hours more than what A would have taken to complete a task if each of them worked alone. Working together they can complete the task in 12 hours. How many hours would B take to do 50% of the task?
A.	30
B.	15
C.	20
D.	10
Answer» C. 20

Discussion

162.	If 20 men working 5 hours a day complete a work in 4 days. Then in how many days will 10 men working 10 hours a day finish the same work? Assume that all men work at same efficiency.
A.	5 days
B.	40 days
C.	4 days
D.	2 days
Answer» D. 2 days

Discussion

163.	Arun and Balaji can complete a task 10 and 15 days respectively. They work together for 4 days and leave, Chetan completes the remaining work in 2 days. In how many days can Chetan complete the job individually?
A.	12
B.	10
C.	8
D.	6
Answer» E.

Discussion

164.	A monkey can climb 6 meters in a minute on a circular pole, which is 21 meters high. But it slips 3 meters in the next one minute. How long will it take for the monkey to reach the top of the pole?
A.	10 minutes
B.	11 minutes
C.	12 minutes
D.	13 minutes
Answer» C. 12 minutes

Discussion

165.	A completes 2/5 of a work in X days. Then he calls B and they together finish the remaining work in 6 days. If B alone takes 100/6 days, find the value of X.A. 10 daysB. 50/3 daysC. 20 daysD. 40 days
A.	B
B.	C
C.	A
D.	D
Answer» D. D

Discussion

166.	Given below are two quantities named A & B. Based on the given information, you have to determine the relation between the two quantities. You should use the given data and your knowledge of Mathematics to choose between the possible answers.Quantity A: Three persons P, Q and R working together can complete a piece of work in 30 days. P & R together can finish the work in half the time Q can finish it and P & Q together are thrice efficient than R. In how many days Q can finish the work alone?Quantity B: Two persons A and B can finish a piece of work in 12 days. If A works thrice its efficiency and B works half of its efficiency then the work will be finished in 8 days. Find the time in which A will complete thrice the work alone.
A.	Quantity A > Quantity B
B.	Quantity A < Quantity B
C.	Quantity A ≥ Quantity B
D.	Quantity A ≤ Quantity B
E.	Quantity A = Quantity B or No relation.
Answer» F.

Discussion

167.	Four men and 6 women can complete a certain piece of work in 5 days whereas three men and 4 women can complete it in 7 days. How many men should assist 25 women to complete $2\frac{1}{2}$ times the same work in 5 days?
A.	10
B.	4
C.	8
D.	5
Answer» E.

Discussion

168.	A and B can do a piece of work in 18 days; B and C can do it in 24 days, A and C can do it in 36 days. In how many days B alone can finish the work?
A.	48 days
B.	45 days
C.	$28\frac{4}{5}$ days
D.	144 days
Answer» D. 144 days

Discussion

169.	A can do a work in 15 days and B in 20 days. Both of them work for 6 days then the remaining work is:
A.	7/10
B.	3/10
C.	1/2
D.	2/5
Answer» C. 1/2

Discussion

170.	A is thrice as productive as C. Together they can complete a job in 22.5 days. If B joins them after they have worked for 15 days, then in how many days can they ﬁnish the rest of the job, while B alone can do the job in 15 days?
A.	6
B.	3
C.	9
D.	2
Answer» C. 9

Discussion

171.	If 15 boys earn Rs. 750 in 5 days, then how much money 25 boys will earn in 6 days?
A.	Rs. 960
B.	Rs. 1500
C.	Rs. 1200
D.	Rs. 900
Answer» C. Rs. 1200

Discussion

172.	A and B can complete a piece of task together in 12 days, while A alone can do it in 15 days. They start working together but A leaves 10 days before the completion of the task. For how many days did A and B work together?
A.	10
B.	11
C.	8
D.	9
Answer» B. 11

Discussion

173.	Pipe A can fill a tank in 10 hours and pipe B can fill the same tank in 12 hours. Pipe C can empty the same full tank in 6 hours. If all the pipes are opened together, then what portion of the tank will be filled after 12 hours?
A.	3/4
B.	1/5
C.	1/4
D.	4/5
Answer» C. 1/4

Discussion

174.	30 men can complete a job in 40 days. However, after 24 days some men left the job. The remaining people took another 40 days to complete the job. The number of men who left the job is
A.	24
B.	18
C.	12
D.	6
Answer» C. 12

Discussion

175.	An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3.5 hours to fill the tank. If the tank is full, how much time will it take for the leak to empty it?
A.	25 hrs
B.	19 hrs
C.	20 hrs
D.	21 hrs
Answer» E.

Discussion

176.	A, B and C together can complete a work in 12 days. A can complete the work in 24 days and B can complete the work in 32 days.In how many days C alone can complete the same work?
A.	64 days
B.	48 days
C.	96 days
D.	24 days
Answer» D. 24 days

Discussion

177.	A and B can do a work in 12 days, B and C can do it in 15 days and C and A can do it in 20 days. If A, B and C work together, then they will complete the same work in:
A.	14 days
B.	12 days
C.	5 days
D.	10 days
Answer» E.

Discussion

178.	A and B can complete a work in 20 days whereas A and C can complete the same work in 30 days. C alone can complete the work in 40 days. A, B and C work together for 8 days. C alone will complete the remaining work in:
A.	12 days
B.	10 days
C.	16 days
D.	24 days
Answer» D. 24 days

Discussion

179.	If 15 men can make a wall in 48 hours, how many men will make it in 30 hours?
A.	20
B.	40
C.	24
D.	None of the above
Answer» D. None of the above

Discussion

180.	Efficiencies of P, Q, R and S in doing a job are in the ratio 2 : 3 : 5 : 4. The wages paid for the job are Rs.4200. Who is paid the largest amount and how much is paid?
A.	R, Rs. 1500
B.	P, Rs. 2000
C.	S, Rs. 1600
D.	R, Rs. 2000
Answer» B. P, Rs. 2000

Discussion

181.	If 9 workers can build a wall in 28 hours, then how many workers will be required to do the same work in 21 hours?
A.	15
B.	24
C.	18
D.	12
Answer» E.

Discussion

182.	One tap can fill a water tank in 3 hours and another tap can empty it in 4 hours. If the tank is one-third full and both the taps are opened together, then the time taken to fill the tank will be
A.	8 hours
B.	9 hours
C.	10 hours
D.	11 hours
E.	None of the above / More than one of the above
Answer» B. 9 hours

Discussion

183.	If P and Q together can do a job in 15 days, Q and R together can do it in 12 days and P and R together can do the same in 20 days, then in how many days will the job be completed, if all the three work together?
A.	4 days
B.	6 days
C.	10 days
D.	14 days
Answer» D. 14 days

Discussion

184.	A father can do a task as fast as his two sons working together. If working alone, one son can complete the task in 6 hours and the other in 12 hours, how many hours does it take for father to complete the task?
A.	6
B.	5
C.	4
D.	3
Answer» D. 3

Discussion

185.	A labourer can do a job in 36 hours. After 9 hours he takes a break. What fraction of the job is yet to be done?
A.	0.5
B.	0.25
C.	0.75
D.	0.2
Answer» D. 0.2

Discussion

186.	A, B and C can do a job in 30, 40 and 48 days respectively. In how many days can A do the work if he is assisted by B and C every third day?
A.	21
B.	20.73
C.	21.14
D.	20.14
Answer» C. 21.14

Discussion

187.	Pipes A and B can fill a tank in 8 hours and 12 hours, respectively whereas pipe C can empty the full tank in 6 hours. A and B are opened for 3 hours and then closed and C is opened instantly. C will empty the tank in:
A.	4(1/2) hours
B.	3(3/4) hours
C.	4(1/4) hours
D.	3(1/2) hours
Answer» C. 4(1/4) hours

Discussion

188.	A is twice as good a workman as B and together they finish a piece of work in 13 days. In how many days will B alone finish the work?
A.	19.5
B.	39
C.	21
D.	42
Answer» C. 21

Discussion

189.	A water tank has two holes. The 1st hole alone empties the tank in 9 minutes and 2nd hole alone empties the tank in 6 minutes. If water leaks out at a constant rate, how many minutes does it take if both the holes together empty the tank?
A.	$3\frac{3}{5}$
B.	3/5
C.	$3\frac{1}{5}$
D.	$3\frac{2}{5}$
Answer» B. 3/5

Discussion

190.	P and ⟶ together complete a work in 8 days. ⟶ and R together complete a work in 16 days and R and P together complete the same work in 8 days. In how many days P, ⟶and R together can complete the work?
A.	6.4
B.	7.2
C.	5.8
D.	7.1
Answer» B. 7.2

Discussion

191.	A supplies 30 workers who work for 10 hours a day for 8 days, B supplies 20 workers who work for 7 hours a day for 10 days, and C supplies 12 workers who work for 8 hours a day for 6 days to do a certain job. If Rs. 8,752 is paid to all the workers, what is B's share?
A.	Rs. 2,800
B.	Rs. 2,400
C.	Rs. 4,200
D.	Rs. 4,800
Answer» B. Rs. 2,400

Discussion

192.	N and K together can complete a work in 240 days, K and G together can complete the same work in 72 days and N and G together can complete the same work in 80 days. In how many days K alone can complete the same work?
A.	360 days
B.	240 days
C.	280 days
D.	180 days
Answer» B. 240 days

Discussion

193.	A does a work in 36 days and B does the same work in 60 days. In how many days they together will do the 1/6th part of the same work?
A.	15/2 days
B.	25/4 days
C.	15/4 days
D.	16/7 days
E.	7/4 days
Answer» D. 16/7 days

Discussion

194.	1 boy is working on first day, two boys are working on second day, 3 boys are working on third day and similarly one boy is added on next day till 20 boys are working on 20th day. Find the time taken by 5 men to do the same work if one man is twice efficient than one boy.
A.	22 days
B.	16 days
C.	28 days
D.	21 days
Answer» E.

Discussion

195.	A contractor takes a contract to complete a road in 60 days and employed 70 labours. After 25 days, he found that one fourth of the total work is complete. How many more labours he requires to complete the remaining work in time?
A.	90
B.	80
C.	85
D.	82
Answer» C. 85

Discussion

196.	A pump can fill a tank with water in 1 hour. Because of a leak, it took $1\frac{1}{3}$ hours to fill the tank. In how many hours can the leak alone drain all the water of the tank when it is full?
A.	2
B.	5
C.	4
D.	1
Answer» D. 1

Discussion

197.	A and B together can finish a work in 10 days, B and C together can finish the same work in 15 days, and A and C together can finish the same work in 20 days. In how many days can c alone finish the same work?
A.	90
B.	120
C.	80
D.	100
Answer» C. 80

Discussion

198.	If Peter can hire 6 men for 11 days and he pays $462, then how many men he can hire if he has $420 and he needs them for 15 days?
A.	4
B.	7
C.	5
D.	8
Answer» B. 7

Discussion

199.	A and B can finish a work together in 30 days. B and C can finish the same work together in 24 days. A and C can finish the work together in 40 days. If all three work together, how long will it take them to complete the work?
A.	15 days
B.	10 days
C.	20 days
D.	5 days
Answer» D. 5 days

Discussion

200.	A certain piece of work can be completed by 12 men in 9 days. After they have worked for six days, six more men joined them. How many days will it take to complete the remaining work?
A.	4
B.	2
C.	1
D.	3
Answer» C. 1

Discussion

160.	A can do a certain job in 12 days. B is 60% more efficient than A. To do the same job B alone would take?
A.	\(7\frac{1}{2} \) days
B.	8 days
C.	10 days
D.	7 days
Answer» B. 8 days

189.	A water tank has two holes. The 1st hole alone empties the tank in 9 minutes and 2nd hole alone empties the tank in 6 minutes. If water leaks out at a constant rate, how many minutes does it take if both the holes together empty the tank?
A.	\(3\frac{3}{5}\)
B.	3/5
C.	\(3\frac{1}{5}\)
D.	\(3\frac{2}{5}\)
Answer» B. 3/5

Explore topic-wise MCQs in General Aptitude.

Amar completes a work in 6 days. But if he works with Prem, that work completes in 2 days. How many days will Prem alone take to finish the work?

A can do 50% more work than B in same time. B alone can do a piece of work in 30 hours. B starts working and had already worked for 12 hours when A joins him. How many hours should B and A work together to complete the remaining work?

24 men complete a work in 16 days and 32 women complete it in 24 days. 16 men and 8 women started that work and worked for 12 days in the remaining work is to be completed in 4 days, the number of men to be further added to the existing workforce is

A, B, and C can complete a task together in 10 days. A and B would need 12 days, while B and C would take 20 days. If B worked alone, how many days would he take to complete the task?

A stock of food grains is enough for 240 men for 48 days. How long will the same stock last for 160 men?

Pipes A, B and C can fill a tank in 10, 15 and 30 hours, respectively. D is an emptying pipe which alone can empty the full tank in x hours. A, B and C are opened together for 3 hours and then closed. Now D is opened which alone empties the tank in 30 hours. What is the value of x?

A, B and C can complete a piece of work in 4, 20 and 60 days respectively. Working together, they can complete the same work in how many days?

A can finish a piece of work in a certain number of days. B takes 45% more number of days to finish the same work independently. They worked together for 58 days and then the remaining work was done by B alone in 29 days. In how many days could A have completed the work, had he worked alone?

If 16 men working 12 hours a day can complete a work in 27 days, then working for how many hours a day can 18 men complete the work in 24 days?

A can do a certain job in 12 days. B is 60% more efficient than A. To do the same job B alone would take?

B would have taken 10 hours more than what A would have taken to complete a task if each of them worked alone. Working together they can complete the task in 12 hours. How many hours would B take to do 50% of the task?

If 20 men working 5 hours a day complete a work in 4 days. Then in how many days will 10 men working 10 hours a day finish the same work? Assume that all men work at same efficiency.

Arun and Balaji can complete a task 10 and 15 days respectively. They work together for 4 days and leave, Chetan completes the remaining work in 2 days. In how many days can Chetan complete the job individually?

A monkey can climb 6 meters in a minute on a circular pole, which is 21 meters high. But it slips 3 meters in the next one minute. How long will it take for the monkey to reach the top of the pole?

A completes 2/5 of a work in X days. Then he calls B and they together finish the remaining work in 6 days. If B alone takes 100/6 days, find the value of X.A. 10 daysB. 50/3 daysC. 20 daysD. 40 days

Four men and 6 women can complete a certain piece of work in 5 days whereas three men and 4 women can complete it in 7 days. How many men should assist 25 women to complete \(2\frac{1}{2}\) times the same work in 5 days?

A and B can do a piece of work in 18 days; B and C can do it in 24 days, A and C can do it in 36 days. In how many days B alone can finish the work?

A can do a work in 15 days and B in 20 days. Both of them work for 6 days then the remaining work is:

A is thrice as productive as C. Together they can complete a job in 22.5 days. If B joins them after they have worked for 15 days, then in how many days can they ﬁnish the rest of the job, while B alone can do the job in 15 days?

If 15 boys earn Rs. 750 in 5 days, then how much money 25 boys will earn in 6 days?

A and B can complete a piece of task together in 12 days, while A alone can do it in 15 days. They start working together but A leaves 10 days before the completion of the task. For how many days did A and B work together?

Pipe A can fill a tank in 10 hours and pipe B can fill the same tank in 12 hours. Pipe C can empty the same full tank in 6 hours. If all the pipes are opened together, then what portion of the tank will be filled after 12 hours?

30 men can complete a job in 40 days. However, after 24 days some men left the job. The remaining people took another 40 days to complete the job. The number of men who left the job is

An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3.5 hours to fill the tank. If the tank is full, how much time will it take for the leak to empty it?

A, B and C together can complete a work in 12 days. A can complete the work in 24 days and B can complete the work in 32 days.In how many days C alone can complete the same work?

A and B can do a work in 12 days, B and C can do it in 15 days and C and A can do it in 20 days. If A, B and C work together, then they will complete the same work in:

A and B can complete a work in 20 days whereas A and C can complete the same work in 30 days. C alone can complete the work in 40 days. A, B and C work together for 8 days. C alone will complete the remaining work in:

If 15 men can make a wall in 48 hours, how many men will make it in 30 hours?

Efficiencies of P, Q, R and S in doing a job are in the ratio 2 : 3 : 5 : 4. The wages paid for the job are Rs.4200. Who is paid the largest amount and how much is paid?

If 9 workers can build a wall in 28 hours, then how many workers will be required to do the same work in 21 hours?

One tap can fill a water tank in 3 hours and another tap can empty it in 4 hours. If the tank is one-third full and both the taps are opened together, then the time taken to fill the tank will be

If P and Q together can do a job in 15 days, Q and R together can do it in 12 days and P and R together can do the same in 20 days, then in how many days will the job be completed, if all the three work together?

A father can do a task as fast as his two sons working together. If working alone, one son can complete the task in 6 hours and the other in 12 hours, how many hours does it take for father to complete the task?

A labourer can do a job in 36 hours. After 9 hours he takes a break. What fraction of the job is yet to be done?

A, B and C can do a job in 30, 40 and 48 days respectively. In how many days can A do the work if he is assisted by B and C every third day?

Pipes A and B can fill a tank in 8 hours and 12 hours, respectively whereas pipe C can empty the full tank in 6 hours. A and B are opened for 3 hours and then closed and C is opened instantly. C will empty the tank in:

A is twice as good a workman as B and together they finish a piece of work in 13 days. In how many days will B alone finish the work?

A water tank has two holes. The 1st hole alone empties the tank in 9 minutes and 2nd hole alone empties the tank in 6 minutes. If water leaks out at a constant rate, how many minutes does it take if both the holes together empty the tank?

P and ⟶ together complete a work in 8 days. ⟶ and R together complete a work in 16 days and R and P together complete the same work in 8 days. In how many days P, ⟶and R together can complete the work?

A supplies 30 workers who work for 10 hours a day for 8 days, B supplies 20 workers who work for 7 hours a day for 10 days, and C supplies 12 workers who work for 8 hours a day for 6 days to do a certain job. If Rs. 8,752 is paid to all the workers, what is B's share?

N and K together can complete a work in 240 days, K and G together can complete the same work in 72 days and N and G together can complete the same work in 80 days. In how many days K alone can complete the same work?

A does a work in 36 days and B does the same work in 60 days. In how many days they together will do the 1/6th part of the same work?

1 boy is working on first day, two boys are working on second day, 3 boys are working on third day and similarly one boy is added on next day till 20 boys are working on 20th day. Find the time taken by 5 men to do the same work if one man is twice efficient than one boy.

A contractor takes a contract to complete a road in 60 days and employed 70 labours. After 25 days, he found that one fourth of the total work is complete. How many more labours he requires to complete the remaining work in time?

A pump can fill a tank with water in 1 hour. Because of a leak, it took \(1\frac{1}{3}\) hours to fill the tank. In how many hours can the leak alone drain all the water of the tank when it is full?

A and B together can finish a work in 10 days, B and C together can finish the same work in 15 days, and A and C together can finish the same work in 20 days. In how many days can c alone finish the same work?

If Peter can hire 6 men for 11 days and he pays $462, then how many men he can hire if he has $420 and he needs them for 15 days?

A and B can finish a work together in 30 days. B and C can finish the same work together in 24 days. A and C can finish the work together in 40 days. If all three work together, how long will it take them to complete the work?

A certain piece of work can be completed by 12 men in 9 days. After they have worked for six days, six more men joined them. How many days will it take to complete the remaining work?