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Aptitude preparation

Aptitude on Time and Work

Aptitude questions and answers on Time and Work

1. A can do a piece work in 10 days, Then what will be the A's 1 day work ? 
A. 10 B. 1/10
C. 1/8 D. None
2. A and B together can complete a piece of work in 6 days.If A alone can complete the work in 15 days, in how many days can B alone complete that work ?
A. 10 B. 12
C. 15 D. 11
3. A can do a piece of work in 6 days of 8 hours each and B can do it in 5 days of 6 hours each.How long will they taketo do it , working together  2  4/13 hours  a day ?
A. 6 days B. 8 days
C. 7 days  D. 4 days
4. A can do a work in 40 days.He worked for 5 days then B finished in 21 days.In how many days can A and B together finish the work ?
A. 13 B. 10
C. 15 D. 14
5. A is half good a man as B and together they finish a job in 16 days.In how many days working alone will B finish the job ?
A. 22 B. 25
C. 26 D. 24
6. 4 men and 2 boys can do a piece of work in 8 days while 6 men and 2 boys can do the same work in 7 days.In how many days can 3 men and 3 boy do the work?
A. 7  7/11 B. 6   7/11
C. 5  5/11 D. None
7.

A pot has two holes. The first hole emptied the pot in 9 minutes where as second hole emptied the pot in 6 minutes. If water leaks out at a constant rate, How much time needed to emptied the pot by both the holes?

A.

2.6 minutes

B.

3.6 minutes

C.

0.6 minutes

D.

1.6 minutes

8.

Ram can do a work in 20days, Sam can do the same work in 30days where as Prem can do the same work in 40days. How much time needed for Ram, Sam and Prem to finish the work?

A.

9.2 days

B.

3.6 days

C.

8.1 days

D.

9.6 days

9.

Amulya can do a piece of work in 35 days. Surya is 25% more efficient than Amulya. The number of days taken by Surya to do the same piece of work is?

A.

21

B.

24

C.

28

D.

26

10.

Gagan and Gamya can together finish a work in 80 days. They worked together for 40 days and then Gamya left. After another 60 days, Gagan finished the remaining work. In how many days Gagan alone can finish the job?

A.

45

B.

50

C.

60

D.

12

11. A, B and C together earn Rs. 3000 per day, while A and C together earn Rs. 1880 and B and C together earn Rs. 1520. The daily earning of C is ?
A.

Rs. 450

B.

Rs. 500

C.

Rs. 420

D.

Rs. 400

12. Amulya, Surya and Ramu can do a piece of work in 360, 540 and 720 days respectively. They started the work but Amulya left 8 days before the completion of the work while Surya left 12 days before the completion. Find the number of days Ramu worked ?
A.

262.5 days

B.

172.5 days

C.

222.5 days

D.

162.5 days

13. 10 Men can complete a work in 70 days and 10 women take 140 days to complete the work. How many days will 5 men and 10 women take to complete the work?
A.

60 days

B.

70 days

C.

20 days

D.

80 days

14. 5 boys and 2 girls working together can finish a work four times faster than of as one boy and one girl. Find the working capacity ratios of boy and girl?
A.

1 : 1

B.

2 : 1

C.

3 : 1

D.

4 : 1

15. If 12 Atype machines and 16 Btype machines can finish a work in 5 days; 13 Atype machines and 24 Btype machines can finish the same work in 4 days, then find the ratio of the daily work done by Atype machine to that of Btype machine ?
A.

1 : 1

B.

2 : 1

C.

3 : 1

D.

4 : 1

16. 10 Seniors and 15 Juniors together can complete a work in 6 days. It takes 100 days for one Senior alone to complete the work. How many days will be needed for one Junior alone to complete the work?
A.

225 days

B.

234 days

C.

215 days

D.

235 days

17. A, B and C can finish a work for Rs. 1450. A and B together get 21/54 of the amount, How much amount will C paid?
A.

Rs.  806

B.

Rs.  886

C.

Rs.  816

D.

Rs.  880

18. Ramya works two times fast as Rajani. If Rajini alone can complete a work in 12 days, find the number of days in which Ramya and Rajani can together finish the work ?
A.

4 days

B.

6 days

C.

14 days

D.

24 days

19. A takes double the time as B or triple the time as C to finish work. A, B and C can finish the work in 2 days. Find how much time needed for B to finish the work alone ?
A.

4 days

B.

6 days

C.

14 days

D.

24 days

20. Anthony can finish a work in 18 days and Bharath can do the same work in 9days. Find how much work can be done by both Anthony and Bharath in one day?
A.

1/2

B.

1/4

C.

1/6

D.

1/9