1728 + Mcqs in Time and Work Page 34 McqOptions

1651.	- A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in:
A.	8 days
B.	10 days
C.	12 days
D.	15 days
Answer» D. 15 days

Discussion

1652.	A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in:
A.	4 days
B.	6 days
C.	8 days
D.	12 days
Answer» C. 8 days

Discussion

1653.	A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work is:
A.	4 days
B.	6 days
C.	8 days
D.	18 days
Answer» B. 6 days

Discussion

1654.	A alone can complete a work in 16 days and B alone in 12 days. Starting with A, they work on alternate days. The total work will be completed in:
A.	12 days
B.	13 days
C.	13 3/4 days
D.	13 5/7 days
Answer» D. 13 5/7 days

Discussion

1655.	A, B and C together can complete a piece of work in 10 days. All the three started working at it together and after 4 days A left. Then B and C together completed the work in 10 more days. A alone could complete the work in:
A.	15 days
B.	16 days
C.	25 days
D.	50 days
Answer» D. 50 days

Discussion

1656.	P, Q and R are three typists who working simultaneously can type 216 pages in 4 hours. In one hour, R can type as many pages more than Q as Q can type more than P. During a period of five hours, R can type as many pages as P can during seven hours. How many pages does each of them type per hour?
A.	14, 17, 20
B.	15, 18, 21
C.	15, 17, 22
D.	16, 18, 22
Answer» C. 15, 17, 22

Discussion

1657.	A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 dyas. How much is to be paid to C?
A.	Rs. 375
B.	Rs. 400
C.	Rs. 600
D.	Rs. 800
Answer» C. Rs. 600

Discussion

1658.	Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is:
A.	15 days
B.	16 days
C.	18 days
D.	25 days
Answer» C. 18 days

Discussion

1659.	A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in
A.	1/24 days
B.	7/24 days
C.	3 3/7 days
D.	4 4/7 days
Answer» D. 4 4/7 days

Discussion

1660.	Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?
A.	7 hours 30 minutes
B.	8 hours
C.	8 hours 15 minutes
D.	8 hours 25 minutes
Answer» D. 8 hours 25 minutes

Discussion

1661.	A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?
A.	11 days
B.	13 days
C.	15 days
D.	20 days
Answer» C. 15 days

Discussion

1662.	X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?
A.	6 days
B.	10 days
C.	15 days
D.	20 days
Answer» C. 15 days

Discussion

1663.	A does half as much work as B in three-fourth of the time. If together they take 18 days to complete the work, how much time shall B take to do it?
A.	30 days
B.	35 days
C.	40 days
D.	45 days
Answer» B. 35 days

Discussion

1664.	A man can do a piece of work in 5 days, but with the help of his son, he can do it in 3 days. In what time can the son do it alone?
A.	7 days
B.	7 1/2 days
C.	8 days
D.	8 1/2 days
Answer» E.

Discussion

1665.	A, B and C can complete a work separately in 24, 36 and 48 days respectively. They started together but C left after 4 days of start and A left 3 days before the completion of the work. In how many days will the work be completed?
A.	15 days
B.	22 days
C.	25 days
D.	35 days
Answer» B. 22 days

Discussion

1666.	A sum of money is sufficient to pay A’s wages for 21 days and B’s wages for 28 days. The same money is sufficient to pay the wages of both for:
A.	12 days
B.	13 days
C.	14 days
D.	15 days
Answer» B. 13 days

Discussion

1667.	10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?
A.	3 days
B.	5 days
C.	7 days
D.	Cannot be determined
Answer» D. Cannot be determined

Discussion

1668.	P can complete a work in 12 days working 8 hours a day. Q can complete the same work in 8 days working 10 hours a day. If both P and Q work together, working 8 hours a day, in how many days can they complete the work?
A.	5 5/11 days
B.	5 6/11 days
C.	6 5/11 days
D.	6 6/11 days
Answer» B. 5 6/11 days

Discussion

1669.	A and B can together finish a work 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the work?
A.	40 days
B.	50 days
C.	54 days
D.	60 days
Answer» E.

Discussion

1670.	4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?
A.	35 days
B.	40 days
C.	45 days
D.	50 days
Answer» C. 45 days

Discussion

1671.	A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days, A alone can finish the remaining work?
A.	5 days
B.	6 days
C.	7 days
D.	8 days
Answer» C. 7 days

Discussion

1672.	A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work?
A.	18 days
B.	24 days
C.	30 days
D.	36 days
Answer» B. 24 days

Discussion

1673.	A, B and C can do a piece of work in 11 days, 20 days and 55 days respectively, working alone. How soon can the work be done if A is assisted by B and C on alternate days?
A.	7 days
B.	8 days
C.	9 days
D.	10 days
Answer» C. 9 days

Discussion

1674.	A can finish a work in 18 days and B can do the same work in half the time taken by A. Then, working together, what part of the same work they can finish in a day?
A.	1/6
B.	1/9
C.	2/5
D.	2/7
Answer» B. 1/9

Discussion

1675.	A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days A alone can finish the remaining work?
A.	5 days
B.	6 days
C.	7 days
D.	8 days
Answer» C. 7 days

Discussion

1676.	A and B can do a work in 12 days, B and C in 15 days, C and A in 20 days. If A, B and C work together, they will complete the work in:
A.	5 days
B.	7 days
C.	10 days
D.	12 days
Answer» D. 12 days

Discussion

1677.	A machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M. while machine P is closed at 11 A.M. and the remaining two machines complete work. Approximately at what time will the work (to print one lakh books) be finished?
A.	11:30 A.M.
B.	12 noon
C.	12:30 P.M.
D.	1:00 P.M.
Answer» E.

Discussion

1678.	A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work?
A.	23 days
B.	37 days
C.	37 1/2 days
D.	40 days
Answer» D. 40 days

Discussion

1679.	A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in:
A.	15 days
B.	20 days
C.	25 days
D.	30 days
Answer» D. 30 days

Discussion

1680.	If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the time taken by 15 men and 20 boys in doing the same type of work will be:
A.	4 days
B.	5 days
C.	6 days
D.	7 days
Answer» B. 5 days

Discussion

1681.	If A can do 1/4 of a work in 3 days and B can do 1/6 of the same work in 4 days, how much will A get if both work together and are paid Rs. 180 in all?
A.	Rs. 36
B.	Rs. 60
C.	Rs. 108
D.	Rs. 120
Answer» E.

Discussion

1682.	9- A takes twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in:
A.	4 days
B.	6 days
C.	8days
D.	12 days
Answer» E.

Discussion

1683.	A and B together can complete a work in 12 days. A alone can complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work
A.	10 days
B.	11 days
C.	15 days
D.	20 days
Answer» D. 20 days

Discussion

1684.	A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone?
A.	30 days
B.	40 days
C.	60 days
D.	70 days
Answer» D. 70 days

Discussion

1685.	A is thrice as good a workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:
A.	20 days
B.	22 1/2 days
C.	25 days
D.	27 1/2days
Answer» C. 25 days

Discussion

1686.	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:
A.	1/4
B.	1/10
C.	7/15
D.	8/15
Answer» E.

Discussion

1687.	A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in:
A.	9 1/5 days
B.	9 2/5 days
C.	9 3/5 days
D.	10 days
Answer» E.

Discussion

1688.	A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?
A.	12 days
B.	15 days
C.	16 days
D.	18 days
Answer» C. 16 days

Discussion

1689.	A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:
A.	20 days
B.	22 1/2 days
C.	25 days
D.	30 days
Answer» C. 25 days

Discussion

1690.	A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?
A.	Rs. 375
B.	Rs. 400
C.	Rs. 600
D.	Rs. 800
Answer» C. Rs. 600

Discussion

1691.	i. 4 men and 6 boys can finish a job in 8 days. ii. 3 men and 7 boys take 10 days to complete the same job. In how many days will 10 boys complete the job?
A.	35
B.	40
C.	45
D.	50
Answer» C. 45

Discussion

1692.	To complete an assignment in 4 days, we need either 12 men or 15 women. 6 men take the project but stop working after 2 days. How many women will be required to finish the remaining work in 3 days?
A.	15
B.	18
C.	22
D.	27
Answer» B. 18

Discussion

1693.	16 boys finish painting a building in 15 days while 20 girls take 16 days to finish the same task. Find the ratio of capacities of a boy and a girl.
A.	3 : 4
B.	4 : 3
C.	5 : 3
D.	Data inadequate
Answer» C. 5 : 3

Discussion

1694.	In a set up two friends Anne and Ben finish a work in 30 days. Ben and Charles take 6 days less the previous set up to finish the same work while Charles and Anne take 10 days less than the said set up to finish the same work. All the three friends work on an assignment for 10 days after which Ben and Charles leave. How many days more required by Anne to finish the remaining assignment alone?
A.	18 days
B.	24 days
C.	36 days
D.	30 days
Answer» B. 24 days

Discussion

1695.	Rehana finishes reading a book in 20 days. Her sister Shabnam is 25% faster than her at reading. How many days will Shabnam take to finish reading the same book?
A.	15
B.	16
C.	18
D.	25
Answer» C. 18

Discussion

1696.	A young boy can complete a project in 25 days while his father and grandfather take 15 and 20 days respectively to finish the same task. If all three of them work together on the project, how long will they take to finish it?
A.	6.5 Days
B.	7 Days
C.	7.5 Days
D.	8 days
Answer» D. 8 days

Discussion

1697.	Archana can weave two-fifths of a fabric in 6 days while her daughter Bernali takes 10 days to weave just one-third of the fabric. If the mother and daughter work together, how many days will they take to weave 80% of the fabric?
A.	4 days
B.	5 days
C.	8 days
D.	10 days
Answer» D. 10 days

Discussion

1698.	Anand takes a particular number of days to finish a project. Binu can finish the same project in half the time while Charles finishes it in just one-third of the time taken by Anand. Working together, three of them can finish the project in 2 days. How long will Anand take to finish the project alone?
A.	4 days
B.	6 days
C.	8 days
D.	12 days
Answer» E.

Discussion

1699.	12 men finish a construction project in 36 days while 12 women finish 75% of the project in same time. How many days would 10 men and 8 women working together would take to complete the project?
A.	6 days
B.	12 days
C.	27 days
D.	34 days
Answer» D. 34 days

Discussion

1700.	A tank has a capacity to hold 1,00,000 Litre of water. Pump A can fill this tank in 8 hrs, Pump B can fill it in 10 hrs. while Pump C can fill it in 12 hrs. The pump man opens all the three pumps at 9 am in the morning but Pump A develops a fault at 11 am and has to be put off. The other two pumps fill the remaining tank. Find the time by the watch when the tank will be completely full.
A.	11:30 AM
B.	12 noon
C.	12.30 PM
D.	01:00 PM
Answer» E.

Discussion

Explore topic-wise MCQs in General Aptitude.

- A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in:

A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in:

A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work is:

A alone can complete a work in 16 days and B alone in 12 days. Starting with A, they work on alternate days. The total work will be completed in:

A, B and C together can complete a piece of work in 10 days. All the three started working at it together and after 4 days A left. Then B and C together completed the work in 10 more days. A alone could complete the work in:

P, Q and R are three typists who working simultaneously can type 216 pages in 4 hours. In one hour, R can type as many pages more than Q as Q can type more than P. During a period of five hours, R can type as many pages as P can during seven hours. How many pages does each of them type per hour?

A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 dyas. How much is to be paid to C?

Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is:

A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in

Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?

A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?

X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?

A does half as much work as B in three-fourth of the time. If together they take 18 days to complete the work, how much time shall B take to do it?

A man can do a piece of work in 5 days, but with the help of his son, he can do it in 3 days. In what time can the son do it alone?

A, B and C can complete a work separately in 24, 36 and 48 days respectively. They started together but C left after 4 days of start and A left 3 days before the completion of the work. In how many days will the work be completed?

A sum of money is sufficient to pay A’s wages for 21 days and B’s wages for 28 days. The same money is sufficient to pay the wages of both for:

10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?

P can complete a work in 12 days working 8 hours a day. Q can complete the same work in 8 days working 10 hours a day. If both P and Q work together, working 8 hours a day, in how many days can they complete the work?

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

4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?

A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days, A alone can finish the remaining work?

A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work?

A, B and C can do a piece of work in 11 days, 20 days and 55 days respectively, working alone. How soon can the work be done if A is assisted by B and C on alternate days?

A can finish a work in 18 days and B can do the same work in half the time taken by A. Then, working together, what part of the same work they can finish in a day?

A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days A alone can finish the remaining work?

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

A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work?

A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in:

If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the time taken by 15 men and 20 boys in doing the same type of work will be:

If A can do 1/4 of a work in 3 days and B can do 1/6 of the same work in 4 days, how much will A get if both work together and are paid Rs. 180 in all?

9- A takes twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in:

A and B together can complete a work in 12 days. A alone can complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work

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

A is thrice as good a workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:

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:

A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in:

A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:

A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?

i. 4 men and 6 boys can finish a job in 8 days. ii. 3 men and 7 boys take 10 days to complete the same job. In how many days will 10 boys complete the job?

To complete an assignment in 4 days, we need either 12 men or 15 women. 6 men take the project but stop working after 2 days. How many women will be required to finish the remaining work in 3 days?

16 boys finish painting a building in 15 days while 20 girls take 16 days to finish the same task. Find the ratio of capacities of a boy and a girl.

Rehana finishes reading a book in 20 days. Her sister Shabnam is 25% faster than her at reading. How many days will Shabnam take to finish reading the same book?

A young boy can complete a project in 25 days while his father and grandfather take 15 and 20 days respectively to finish the same task. If all three of them work together on the project, how long will they take to finish it?

Archana can weave two-fifths of a fabric in 6 days while her daughter Bernali takes 10 days to weave just one-third of the fabric. If the mother and daughter work together, how many days will they take to weave 80% of the fabric?

12 men finish a construction project in 36 days while 12 women finish 75% of the project in same time. How many days would 10 men and 8 women working together would take to complete the project?