Are you weak in Time and Work concept? If so, then this article is for you. Below we have provided Time and Work Quiz. Wherein, we provide you the best way to solve problems even in critical situations.

Aspirants, before attempting any competitive exam like Bank PO, Entrance Exam, SSC CGL, you should practice more on Time and Work Questions to solve the problems easily.

Note down the tips and tricks included in the material. It can use for you while solving questions. What we learn is not enough. Hence, the candidates need to think practically as well to achieve perfection in the concept.

Now is the time to compete for the entrance and placement exams. So, candidates are suggested to prepare for the below given Time and Work Questions and Answers.

Aptitude :: Time and Work

Practice :: Time and Work - General Questions
Time and Work - General Questions

Page Title 1. 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?
Rs. 430
Rs. 450
Rs. 400
Rs. 500
Answer: option C

C's 1 day's work = 1/3 - (1/6 + 1/8) = 1/3 - 7/24 = 1/24

A's wages : B's wages : C's wages = 1/6 : 1/8 : 1/24 = 4 : 3 : 1

C's share (for 3 days) = Rs. (3 x 1/24 x 3200) = Rs. 400



2. A, B and C can do a piece of work in 20, 30 and 60 days respectively. If on every third day B and C help him, then in how many days can A do the work?
12 days.
15 days.
10 days
20 days
Answer: option B

A's 2 day's work = (1/20 x 2) = 1/10

(A + B + C)'s 1 day's work = (1/20 + 1/30 + 1/60) = 6/60 = 1/10

Work done in 3 days = (1/10 + 1/10) = 1/5

now, 1/5 work is done in 3 days

∵ Whole work will be done in (3 x 5) = 15 days.



3. 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 :
2/7
1/4
8/15
5/12
Answer: option C

A's 1 day's work = 1/15

B's 1 day's work = 1/20

(A + B)'s 1 day's work = (1/15 + 1/20) = 7/60

(A + B)'s 4 day's work = (7/60 x 4) = 7/15

∵ Therefore, Remaining work = (1 - 7/15) = 8/15



4. 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:
30 days
10 days
7 days
22 (1/2) days
Answer: option D

Ratio of times taken by A and B = 1 : 3.

The time difference is (3 - 1) 2 days while B take 3 days and A takes 1 day.

If difference of time is 2 days, B takes 3 days.

If difference of time is 60 days, B takes (3/2 x 60) = 90 days

So, A takes 30 days to do the work.

⟹ A's 1 day's work = 1/30

⟹ B's 1 day's work = 1/90

⟹ (A + B)'s 1 day's work = (1/30 + 1/90) = 4/90 = 2/45

∵ A and B together can do the work in 45/2 = 22 (1/2) days.



5. 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:
9 days
9 (3/5) days
4 days
15 days
Answer: option B

(A + B + C)'s 1 day's work = 1/4

A's 1 day's work = 1/16

B's 1 day's work = 1/12

and, (200/X + 400/Y) = 25/3

∵ C's 1 day's work = 1/4 - (1/16 + 1/12) = (1/4 - 7/18) = 5/48

⟹ So, C alone can do the work in 48/5 = 9(3/5) days.




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