61. X and Y can complete a work in 10 days, Y and Z in 12 days and X and Z in 15 days. What will be the ratio of efficiency of X, Y and Z respectively? (SSC MTS 2017)
a. 10 : 12 : 15
b. 6 : 5 : 4
c. 5 : 7 : 3
d. 5 : 6 : 4
62. While working 5 hours a day, X alone can cut 15 trees in 9 days. In how many days X can cut 40 trees working 8 hours a day? (SSC MTS 2017)
a. 15
b. 18
c. 4
d. 17
63. X and Y can complete a piece of work in 12 and 60 days respectively. They contracted to complete the work together for Rs 24,000. What will be the share of X? (SSC MTS 2017)
a. 18000
b. 16000
c. 20000
d. 21000
64. A and B together complete a work in 20 days, B and C together complete same work in 30 days, C and A together complete the same work in 24 days. In how many days A, B and C together can complete the same work? (SSC MTS 2017)
a. 8
b. 16
c. 12
d. 15
65. P, Q and R can complete a work in 20, 15 and 25 days respectively. P, Q and R together took Rs. 9600 to complete the same work. What will be the share (approx.) of Q (in Rs.)? (SSC MTS 2017)
a. 4085
b. 3675
c. 4500
d. 3375
66. A and B together complete a work in 20 days. B alone can complete the same work in 60 days. They took Rs. 36000 to complete the work. What will be the share of A (in Rs.)? (SSC MTS 2017)
a. 18000
b. 24000
c. 26000
d. 22000
67. Two taps X and Y together can fill a tank in 36 hours, Y and Z in 48 hours and X and Z in 72 hours. If all the three taps are opened, then in how much time (in hours) the tank will be completely filled? (SSC MTS 2017)
a. 16
b. 32
c. 22
d. 36
68. Three taps P, Q and R together can completely fill a tank in 40 minutes. Q and R together can fill the same tank in 80 minutes. In how much time (in minutes) P alone can fill the tank? (SSC MTS 2017)
a. 40
b. 60
c. 80
d. 120
69. A can do a piece of work in 48 days. If B is 50% more efficient than A, then in how many days can B do the same work? (SSC MTS 2017)
a. 32
b. 24
c. 18
d. 15
70. Working 6 hours a day, Raman can complete a piece of work in 24 days. How many hours a day should he work so as to finish the work in 18 days? (SSC MTS 2017)
a. 8
b. 10
c. 12
d. 16
71. P, Q and R together can complete a work in 20 days. P alone can complete the work in 40 days, Q alone in 60 days then in how many days R alone can complete the work? (SSC MTS 2017)
a. 60
b. 80
c. 40
d. 120
72. A, B and C together can complete a work in 15 days. B and C can complete the same work in 20 days. In how many days A alone can complete the same work? (SSC MTS 2017)
a. 40
b. 45
c. 60
d. 75
