Quantitative Aptitude

Quantitative Aptitude Quiz: Time & Work

Ajay Singh
15-Mar-2021
13 Views

It is crucial to have a good command over the Quantitative Aptitude section to score high in competitive exams and make it to the final merit list. With frequent quizzes based on different topics from the Quantitative Aptitude section, Exammr has come to your rescue in improving your mathematical skills with the passage of each day.

Q1. A and B together can complete a work in 14(2/5) days while B and C together can complete the same work in 10(2/7) days. A alone starts work and after 8 days B replaced him. B did the work for next 12 days and the remaining work is completed by C in next 5 days, then find the time taken by A, B & C together to complete that work, if C works with 50% of his usual efficiency?

a) 9(2/9) days
b) 7(2/7) days
c) 9(2/7) days
d) 10(2/7) days
e) None of these

Q2. A road is built by P, Q & R, who are able to build the road in 8 days, 12 days and 10 days respectively when working alone. Every day along with P, Q works for half day, while R works for 2/3 rd of the day. If after four days P & R stopped working, then find the time taken by Q to build the remaining road while working full day?

a) 2/3 days
b) 4/5 days
c) 1/5 days
d) 1 day
e) None of these

Q3. A can complete a work in 10 days, B in 12 days & C in 15 days. All of them began working together. But A left after 2 days of work and B 3 days before completion of the work. How long did the work last?

a) 7
b) 10
c) 8
d) 6
e) None of these

Q4. Either 6 men or 17 women can paint a wall in 33 days. The number of days required to paint three such walls by 12 men and 32 women working at same rate?

a) 21.5
b) 25.5
c) 27
d) 25
e) None of these

Q5. A tank has four inlet pipes. Through the first three inlets, pipes opened together, the tank can be filled in 12 min and through the last three inlets, the tank can be filled in 15 minutes and through the first and last inlets, the tank can be filled in 24 minutes. Then find the time taken by the last pipe to fill half of the tank?

a) 80 min
b) 50 min
c) 40 min
d) 60 min
e) None of these

Q6. A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is:

a) 6 hours
b) 12 hours
c) 3 hours
d) 15 hours
e) None of these

Q7. A can do a work in 21 days and B can do the same work in 14 days, working together in how many days they would complete the work?

a) (42/5) days
b) (9/15) days
c) (7/15) days
d) (6/15) days
e) None of the above

Q8. 18 men can earn Rs. 360 in 5 days. How much money will 15 men earn in 9 days?

a) 340
b) 440
c) 540
d) 240
e) None of these

Q9. If 4 men working 4 hours per day for 4 days complete 4 units of work, then how many units of work will be completed by 2 men working for 2 hours per day in 2 days?

a) 1
b) 2
c) 1/2
d) 3
e) None of these

Q10. A, B and C can complete the work in 15 days and A and B can complete the work in 20 days, than in how many days C alone can complete the whole work?

a) 40 days
b) 60 days
c) 80 days
d) 90 days
e) None of these

Answers:
d) 10(2/7) days
b) 4/5 days
a) 7
b) 25.5
c) 40 min
d) 15 hours
a) (42/5) days
c) 540
c) 1/2
b) 60 days

Math Quiz Mathematics Quiz Quantitative Aptitude Quantitative Aptitude Quiz Time And Work

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