Practice Questions of Time Speed and Distance

1.  Let A can complete a work in 12 days and B can complete the same work in 15 days. In how many days would they complete the work working together ?
a. 8      b.20/3    c. 6      d. 5

2. A, B and C can complete a work in 8, 12 and 20 days respectively. In how many days they would complete the work working together?

a.5       b.40/7         c.7        d.120/31

3. Rita, Gita and sangita can complete a work in 4 hours. If Rita and Gita can complete the work alone in 10 hrs and 12 hrs respectively. Callualte the days in which Sangita would complete the same work alone ?

a.15        b.20       c.16        d.8

4. A and B can complete a work in 20 days, B and C can complete the work in 12 days and C and A can complete the work in 15 days. Calculate the time if A, B and C work together?

a.8         b.6        c.10        d.5

5. Pooja and Kusum can complete a work in 12 and 8 days respectively. They started working together but after kusum leaves the job. Calculate the days in which pooja will complete the remaining work?

a.7        b.5         c.6        d.27/4

6. A, B and C can complete a work in 18, 15 and 12 days respectively. They all start working together, but after 2 days A left the job, after 3 more days B left the job. Remaining work is completed by C. Find the days in which whole work will be completed?

a.6        b.20/3        c.35/9       d.23/3

7. A and B can build a wall in 8 and 10 days respectively. They start working together.A left the job x days before the completion of work. If work is completed in 5 days, find the value of x.

a.2        b.1        c.5/2        d.4/3

8. A, B and C can dig a well in 36, 54 and 72 days. They start working together but 8 days and 12 days before A and B left the job. Calculate the days in which the work is completed?

a.18        b.24        c.30        d.21

9. A is twice as efficient as B. Both completed the work in 15 days. Calculate the days in which A alone could complete the work?

a.45/4        b.45/2      c.22        d.20

10. A and B can complete a work in 8 and 12 days respectively. Efficiency of C is 1.5 times A. Number of days taken by three of them to complete the work?

a.2        b.48/19        c.58/19       d.3

11. A is 25% good worker than B. If A can complete a work in 20 days, then in how many days can they complete the work working together?

a.12      b.80/9      c.100/9      d.10

12. A, B and C can complete a work in 20, 25 and 30 days respectively. They completed the work together and got Rs3700 as wages of the work. Find the share of B?

a.Rs1000      b.Rs 1200       c.Rs1500       d.Rs1250

13. A can complete a work in 10days. A and B can complete the work in 6 days and get Rs750 for the work, Find the share of B?

a.Rs300       b.Rs500     c.Rs450     d.Rs250

14. 15 men can complete a work in 8 days. Number of days taken by 12 men to complete the same work would be?

a.10     b.6      c.12      d.8

15. 16 men working 8 hrs daily can build a wall in 15 days. Number of days taken by 12 men to complete the same work working 10 hours daily?

a.10        b.12        c.16        d.18

16. 12 women working 8 hrs daily can prepare 200 statue in 16 days. Number of women required to build 270 statue in 20 days working 9 hrs daily would be ?

a.288/25       b.11       c.193/15        d.12

17. 50 men working 10 days can paint a wall 100m long and 50m wide. What is the length of the 25m wide wall, which is painted by 100 men in 30 days?

a.1000     b.900      c.800      d.1200

18. A contractor undertook a work to be completed in 60 days and employees 40 labour but after 40 days he found that the work will not be completed in time with this speed. He employees 50 more labour and work is completed in time. If he hadn’t employed the extra labour, then after how many days the work would have completed?

a.20      b.25       c.30       d.45

19. A contractor undertook to complete a house in 62 days and employed 32 men on work. After 30 days he found that only 1/3 work is complete. How many extra men he should employ to complete the work in time?

a.20       b.32       c.28        d.30

20. 20 men can complete a work in 12 days . After working for 4 days 10 more men joins them then in how many days is the work completed?

a.20/3       b.5        c.16/3       d.28/3

Hints And Answers

1.B                              6.B                         11.C                     16.A

2.D                              7.B                         12.B                     17.D

3.A                              8.B                         13.A                     18.D

4.B                              9.B                         14.A                     19.C

5.A                             10.B                        15.C                     20.D