41. S can do a piece of work in 80 days and T in 60 days. With help of U, they finish the work in 20 days. In how many days U alone can do the same work? (SSC MTS 2017)
a. 40
b. 60
c. 48
d. 80
42. Working 15 hours a day, Goldy can complete a piece of work in 24 days. How many hours a day he should work so as to finish the work in 18 days? (SSC MTS 2017)
a. 20
b. 16
c. 18
d. 8
43. P can do a piece of work in 15 days and Q in 20 days. With help of R, they finish the work in 5 days. In how many days R alone can do the same work? (SSC MTS 2017)
a. 10
b. 12
c. 15
d. 18
44. A can do a piece of work in 24 days. If B is 50% more efficient than A, then in how many days can B do the same work? (SSC MTS 2017)
a. 12
b. 16
c. 18
d. 15
45. P is twice as good as Q and together they finish a piece of work in 36 days. The number of days taken by P alone to finish the work? (SSC MTS 2017)
a. 48
b. 60
c. 54
d. 72
46. P can do a piece of work in 36 days. If Q is 50% more efficient than P, then in how many days can Q do the same work? (SSC MTS 2017)
a. 18
b. 24
c. 12
d. 21
47. Two pipes U and V can fill a cistern in 12 hours and 20 hours respectively. Pipe W can empty the tank in 8 hours. If all the three pipes are opened, then in how many hours the cistern will be full? (SSC MTS 2017)
a. 60
b. 120
c. 150
d. 100
48. Three taps P, Q and R can fill a tank in 20, 30 and 40 minutes respectively. If all the three taps are opened, then how much time (in minutes) it will take to completely fill the tank? (SSC MTS 2017)
a. 9 3/13
b.12
c. 8 1/3
d.15
49. U, V and W together can complete a work in 10 days. If U alone can complete the work in 20 days and V alone can complete the work in 30 days, then in how many days W alone can complete the work? (SSC MTS 2017)
a. 30
b. 40
c. 60
d. 80
50. X, Y, and Z together can complete a work in 20 days. Y and Z can complete the same work in 30 days. In how many days can X complete the same work alone? (SSC MTS 2017)
a. 60
b. 45
c. 40
d. 50
51. A can do a piece of work in 10 days and B in 12 days. With help of C, they finish the work in 4 days. In how many days C alone can do the same work? (SSC MTS 2017)
a. 12
b. 15
c. 18
d. 24
52. Working 10 hours a day, Aman can complete a piece of work in 18 days. How many hours a day should he work so as to finish the work in 15 days? (SSC MTS 2017)
a. 10
b. 12
c. 16
d. 18
53. P, Q and R together can complete a work in 10 days. P alone can complete the work in 30 days. In how many days Q and R together can complete the same work? (SSC MTS 2017)
a. 15
b. 13
c. 20
d. 18
54. A, B and C can complete a work in 5, 10 and 30 days respectively. In how many days A, B and C together can complete the same work? (SSC MTS 2017)
a. 4
b. 2
c. 3
d. 3.5
55. Pipes A and B can fill a tank in 5 hours and 20 hours respectively. If both pipes are opened then, how much time (in hours) it will take to fill the tank? (SSC MTS 2017)
a. 4.5
b. 3
c. 3.5
d. 4
56. A and B can complete a work in 40 days, B and C in 60 days and A and C in 48 days. Who is the most efficient worker among A, B and C? (SSC MTS 2017)
a. A
c. B
d. C
d. Cannot be determined
57. Two pipes X and Y can fill a cistern in 6 hours and 10 hours respectively. Pipe Z can empty the tank in 4 hours. If all the three pipes are opened together then in how many hours the cistern will be full? (SSC MTS 2017)
a. 30
b. 45
c. 50
d. 60
58. Three taps A, B and C can fill a tank in 27, 36 and 54 minutes respectively. If all the three taps are opened, then how much time (in minutes) it will take to completely fill the tank? (SSC MTS 2017)
a. 16
b. 12
c. 10
d. 15
59. U, V and W together can complete a work in 15 days. U alone can complete the work in 60 days. In how many days V and W together can complete the same work? (SSC MTS 2017)
a. 10
b. 20
c. 14
d. 12
60. X, Y and Z can complete a work in 15, 45 and 90 days respectively. In how many days X, Y and Z together can complete the same work? (SSC MTS 2017)
a. 12
b. 11
c. 9
d. 10
