Work and Time (SSC)

Total Questions: 50

21. To do a certain work, Ajay and Bharat work on alternate days, with Bharat starting the work on the first day. Ajay can finish the work alone in 32 days. If the work gets completed in exactly 8 days, then Bharat alone can finish 7 times the same work in __________days. [SSC CGL 14/07/2023 (4th shift)]

Correct Answer: (d)
Solution:


22. 5 women and 9 girls earn a total of ₹18,720 in 9 days, while 9 women and 16 girls earn a total of ₹52,080 in 14 days. How much will 12 women and 7 girls together earn (in ₹) in 13 days ? [SSC CGL 14/07/2023 (2nd shift)]

Correct Answer: (d) 42120
Solution:

23. After working alone for 12 days, Reena finds that only 10 percent of the work is completed. She employs Priya who is 40 percent more efficient than Reena. How many more days will they together take to complete the remaining work? [SSC MTS 15/06/2023 (Morning)]

Correct Answer: (c) 45 days
Solution:

24. S does half as much work as T in 1/8 of the time taken by T. If they together complete a work in 60 days, then how many days shall S alone take to complete that work ? [SSC CHSL 17/03/2023 (3rd Shift)]

Correct Answer: (c) 75
Solution:

25. A civil contractor planned to build an over bridge of 3 km distance in 600 days. For this purpose, he employed 90 workers. After 200 days of work, it was observed that only 0.5 km of the bridge was completed. What is the number of extra workers required to complete the work in time ? [SSC CGL 07/12/2022 (3rd Shift)]

Correct Answer: (d) 135
Solution:

26. 1 man and 4 women can complete a work in 65/4 days, while 3 men and 4 women can complete it in 13/2 days. In how many days will 13 women complete the same ? [SSC CGL 06/12/2022 (4th Shift)]

Correct Answer: (a) 20
Solution:


27. A alone can do 2/5 of a work in 12 days, B is 25 percent more efficient than A. C alone can do the same work in 12 days less than B. D is 25 percent less efficient than C. If they all work together, then the work will be completed in how many days? [SSC CGL Tier II (08/08/2022)]

Correct Answer: (a)
Solution:



28. A man and a boy together can do a certain amount of digging in 24 days. Their speeds in digging are in the ratio of 4 : 3. How many days will the boy take to complete the work if engaged alone ? [SSC CHSL 27/05/2022 (Morning)]

Correct Answer: (d) 56
Solution:

29. Fourteen persons can do a work in 18 days. After 5 days of work, 6 workers left the work, and joined back on the last day of the work. In how many days the work got completed ? [SSC CGL 20/08/2021 (Morning)]

Correct Answer: (d) 27
Solution:

30. Each one of five men independently can complete a work in 20 days. The work is started by one person. The next day one more person joins and every next day one more person joins. From the fifth day, five persons continued working as a team. In how many days, will the work be completed ? [SSC CGL 17/8/2021 (Evening)]

Correct Answer: (b) 6
Solution: