## Monday, 4 August 2014

1. A can do a piece of work in 30 days while B alone can do it in 40 days. In how many days can A and B working together do it ?
(a) 17 1/7 (b) 27 1/7 (c) 42 3/4 (d) 70

2. A and B together can complete a piece of work in 35 days while A alone can complete the same work in 60 days. B alone will be able to complete the same work in :
(a) 42 days (b) 72 days (c) 84 days (d) 96 days

3. A can do a piece of work in 7 days of 9 hours each and B can do it in 6 days of 7 hours each. How long will they take to do it, working together 8 2/5 hours a day ?
(a) 3 days' (b) 4 days (c) 4 1/2 days (d) None of these

4. A can do a piece of work in 15 days and B alone can do it in 10 days. B works at it for 5 days and then leaves. A alone can finish the remaining work in :
(a) 13/2 (b) 15/2 days (c) 8 days (d) 9 days

5. A can do 1/3 of the work in 5 days and B can do 2/5 of the work in 10 days. In how many days both A and B together can do the work?
(a) 7 ¾ (b)8 4/5 (c) 9 3/8 (d) 10

6. A can do a piece of work in 80 days. He works at it for 10 days and then B alone finishes the remaining work in 42 days. The two together could complete the work in :
(a) 24 days (b) 25 days (c) 30 days (d) 35 days

7.A and B can together finish a work in 30 days. They worked at it for 20 days and then B left. The remaining work was done by A alone in 20 more days. A alone can finish the work in :
(a) 48 days (b) 50 days (c) 54 days (d) 60 days

8.A and B can do a piece of work in 45 days and 40 days respectively. They began to do the work together but A leaves after some days and then B completed the remaining work in 23 days. The number of days after which A left the work was:
(a) 6 (b) 8 (c) 9 (d) 12

9. A does half as much work as B in three-fourth of the time. If together they take 18 days to complete the work, how much time shall B take to do it ?
(a) 30 days (b) 35 days (c) 40 days (d) none of these

10. A can do a certain job in 12 days. B is 60% more efficient than A. The number of days, it takes B to do the same piece of work, is :
(a) 6 (b) 6 ¼ (c) 7 ½ (d) 8

11. A can do a certain job in 25 days which B alone can do in 20 days. A started the work and was joined by B after 10 days. The number of days taken in completing the work was :
(a) 12 ½ (b) 14 2/9 (c) 15 (d) 16 2/3

12. A is twice as good a workman as B and together they finish a piece of work in 14 days. The number of days taken by A alone to finish the work, is :
(a) 11 (b) 21 (c) 28 (d) 42

13. A is thrice as good a workman as B and takes 10 days less to do a piece of work than B takes. B alone can do the whole work in :
(a) 12 days (b) 15 days (c) 20 days (d) 30 days

14. A can do a piece of work in 14 days which B can do in 21 days. They begin together but 3 days before the completion of the work, A leaves off. The total number of days to complete the work is :
(a) 6 3/5 (b) 8 ½ (c) 10 1/5 (d) 13 ½

15. If Ramesh, Suresh and Harish can do a piece of work in 15 days, 10 days and 6 days respectively, how long will they take to do it, if all the three work at it together?
(a) 3 days (b) 3 ½ days (c) 3 9/20 days (d) 3 3/20 days

16. A and B can do a piece of work in 72 days; B and C can do it in 120 days; A and C can do it in 90 days. In what time can A alone do it ?
(a) 150 days (b) 120 days (c) 100 days (d) 80 days

17. A and B can do a piece of work in 5 days; Band C can do it in, 7 days; A and C can do it in 4 days. Who among these will take the least time if put to do it alone?
(a) A (b) B (c) C (d) Data inadequate

18. If A, B and C together can finish a piece of work in 4 days; A alone can do it in 12 days and B in 18 days, then C alone can do it in :
(a) 21 days (b) 16 days (c) 14 days {d) 9 days

19. A and B can do a piece of work in 18 days; Band C can do it in 24 days; A and C can do it in 36 days. In how many days can they do it all working together'?
(a) 12 (b) 13 (c) 16 (d) 26

20. A and B together can do a piece of work in 12 days, which Band C together can do in 16 days. After A has been working at it for 5 days and B for 7 days, C finishes in 13 days. In how many days C alone will do the work
(a) 16 (b) 24 (c) 36 (d) 48

21. A is twice as good a workman as B and together they complete a work in 15 days. In how many days can the work be completed by B alone?)
(a) 22 ½ (b) 30 (c) 37 ½ (d) 45

22. 45 men can complete a work in 16 days. Six days after they started working, 30 more men joined them. How many days will they now take to complete the remaining work?
(a) 4 (b) 5 (c) 6 (d) 8

23. 12 men can complete a work in 18 days. Six days after they started working, 4 men joined them. How many days will all of them take to finish the remaining work?
(a) 9 (b) 10 (c) 12 (d) 15

24. Twelve men can complete a work in 8 days. Three days after they started the work, 3 more men joined. In how many days will all of them together complete the remaining work?
(a) 2 (b) 4 (c) 5 (d) 6

25. A, B and C are employed to do a piece of work for Rs. 529. A and C are supposed to finish 19/23 of the work together. How much shall be paid to B ?
(a) Rs. 82 (b) Rs. 92 (c) Rs. 300 (d) Rs. 437

26. A job is completed by 10 men in 20 days and by 20 women in 15 days. How many days will it take for 5 men and 10 women to finish that work?
(a) 17 ½ (b) 17 1/7 (c) 17 (d) 17 1/120

27. A piece of work can be done by 6 men and 5 women in 6 days or 3 men and 4 women in 10 days. It can be done by 9 men and 15 women in :
(a) 1 day (b) 2 days (c) 3 days (d) 4 days

28. 4 men and 6 women finish a job in 8 days, while 3 men and 7 women finish it in 10 days. In how many days will 10 women working together finish it ?
(a) 24 (b) 32 (c) 36 (d) 40

29. 12 children take 16 days to complete a work which can be completed by 8 adults in 12 days. 16 adults started working and after 3 days 10 adults left and 4 children joined them. How many days will it take them to complete the remaining work?
(a) 6 (b) 8 (c) 4 (d) 3

30. Ram can do a piece of work in 8 days which Shyam can finish in 12 days. If they work at it on alternate days with Ram beginning, in how many days, the work will be finished?
(a) 9 1/3 (b) 9 ½ (c) 91/24 (d) 10 1/3

31. A and B working separately can do a piece of work in 9 and 12 days respectively. If they work for a day alternately, A beginning, in how many days the work will be completed?
(a) 10 ½ (b) 10 1/3 (c) 10 ¼ (d) 10 2/3

32. A, Band C can do a piece of work in 11 days, 20 days and 55 days respectively, working alone. How soon can the work be done if A is assisted by Band C on alternate days?
(a) 7 days (b) 8 days (c) 9 days (d) 10 days

33. Machines A and B produce 8000 clips in 4 and 6 hours respectively. If they work alternately for 1 hour, A starting first, then 8000 clips will be produced in :
(a) 4 1/3 hours (b) 4 2/3 (c) 5 1/3 hrs (d) 5 2/3 hrs

34. A father can do a job as fast as his two sons working together. If one son does the job in 3 hours and the other in 6 hours, how many hours does it take the father to do the job?
(a) 1 (b) 2 (c) 3 (d) 4

35. A sum of money is sufficient to pay A's wages for 21 days and B's wages for 28 days. The same money is sufficient to pay the wages of both for:
(a) 12 days (b) 14 days (c) 12 ¼ days (d) 24 ½ days

36. 2 men and 3 boys can do a piece of work in 10 days while 3 men and 2 boys can do the same work in 8 days. In how many days can 2 men and 1. boy do the work?
(a) 12 ½ days (b)14 (c)17 (d)8

37. A is twice as good a workman as B and together they finish a piece of work in 18 days. In how many days will A alone finish the work?
a. 37 b. 27 days c. 67 d. 44

38. A and B undertake to do a piece of work for Rs. 600. A alone can- do it in 6 days while B alone can do it in 8 days. With the help of C, they finish it in 3 days. Find the share of A?
a. Rs. 400
b. Rs. 800
c. Rs. 300
d. none

39. A and B undertake to do a piece of work for Rs. 600. A alone can- do it in 6 days while B alone can do it in 8 days. With the help of C, they finish it in 3 days. Find the share of B?
a.Rs. 400
b.Rs. 800
c.Rs. 300
d.Rs.225

40. A and B undertake to do a piece of work for Rs. 600. A alone can- do it in 6 days while B alone can do it in 8 days. With the help of C, they finish it in 3 days. Find the share of c?
(a) Rs. 75 b. 27 days c. 67 d. 44

41. A and B can do a piece of work in 12 days; Band C can do it in 15 days ; A and C can do it in 20 days. In how many days will A, Band' C finish it, working all together?
(a) 10 days b. 27 days c. 67 d. 44

42. A and B can do a piece of work in 12 days; Band C can do it in 15 days ; A and C can do it in 20 days. find the number of days taken by A to
finish it working alone.
(a) 30 days b. 27 days c. 67 d. none

43. A and B can do a piece of work in 12 days; Band C can do it in 15 days ; A and C can do it in 20 days. find the number of days taken by B to
finish it working alone.
(a) 30 days b. 20 days c. 67 d. none

44. A and B can do a piece of work in 12 days; Band C can do it in 15 days ; A and C can do it in 20 days. find the number of days taken by C to
finish it working alone.
(a) 60 days (B) 30 days C. 20 days D. NONE

45. A is twice as good a workman as B and together they finish a piece of work in 18 days. In how many days will A alone finish the work?
(a) 27 days (B) 30 days C. 20 days D. NONE

46. A and B undertake to do a piece of work for Rs. 600. A alone can- do it in 6 days while B alone can do it in 8 days. With the help of C, they finish it in 3 days. Find the share of A?
(a) Rs. 300 (B) 30 days C. 20 days D. NONE

47. A and B undertake to do a piece of work for Rs. 600. A alone can- do it in 6 days while B alone can do it in 8 days. With the help of C, they finish it in 3 days. Find the share of B?
(a) Rs.225 (B) 30 days C. 20 days D. NONE

48. A can do a piece of work in 10 days which B alone can do in 12 days. In how many days will they finish the work, both working together?
(a) 5 5/11 days b. 27 days c. 67 d. 44

49. Two persons A and B working together can dig a trench in 8 hours while A alone can dig it in 12 hours. In how many hours B alone can dig such a trench?
(a) 25 hours (b) 24 hours (c) 42 hours (d) none

50. Ex. 4. 3 men can complete a piece of work in 6 days. Two days after they started the work, 3 more men joined them. How many days will they take to complete the remaining work?
(a) 25 hours (b) 24 hours (C) 2 days d) n0ne

1. (a) 2.(c) 3.(a) 4.(b) 5.(c) 6.(c) 7.(d) 8.(c) 9.(a)10. (c)
11.(d) 12.(b) 13.(b) 14.(c) 15.(a) 16.(b) 17.(a) 18.(d) 19(c)20. (b)

21.(d) 22(c) 23.(a) 24.(b) 25.(b) 26.(b) 27.(c) 28(d) 29(a)30.(b)
31.(c) 32.(b) 33.(b) 34.(b) 35.(a)
36.A 37.B 38.C 39.D 40.A 41.A 42.A 43.B 44.A 45. A
46.A 47.A 48.A 49.B 50.C

All The Best