101)

A can do a certain work in 15 days, while B can do the same work in 21 days. If they work together, then in how many days will the same work be completed?

SSC CGL 2022

A)

\(6\frac{3}{4} \)

B)

\(9\frac{3}{4} \)

C)

\(7\frac{3}{4} \)

D)

\(8\frac{3}{4} \)

102)

14 men can complete a work in 15 days. If 21 men are employed, then in how many days will they complete the same work?

SSC CGL 2022

A)

10

B)

15

C)

14

D)

12

103)

X, Y and Z can complete a piece of work in 46 days, 92 days and 23 days, respectively. X started the work. Y joined him after 7 days. If Z joined them after 8 days from the beginning, then for how many days did Y work?

SSC CGL 2022

A)

\(10\frac{5}{7}\)

B)

\(11\frac{5}{7}\)

C)

\(12\frac{5}{7}\)

D)

\(9\frac{5}{7}\)

104)

20 men can finish a work in 30 days. They started working, but 4 men left the work after 10 days. In how many days would the work be completed?

SSC CGL 2022

A)

35

B)

28

C)

25

D)

30

105)

A college hostel mess has provisions for 25 days for 350 boys. At the end of 10 days, when some boys were shifted to another hostel, it was found that now the provisions will last for 21 more days. How may boys were shifted to another hostel?

SSC CGL 2022

A)

98

B)

110

C)

92

D)

100

106)

P and Q completed a work together and were paid ₹1,080 and ₹1,440, respectively. If P can do the entire work in 20 days, how many days did they take to complete the work together?

SSC CGL 2022

A)

\(8{3\over7}\)

B)

\(8{4\over7}\)

C)

\(6{3\over7}\)

D)

\(6{4\over7}\)

107)

A and B can do a work in 12 days and 18 days, respectively. They worked together for 4 days after which B was replaced by C and the remaining work was completed by A and C in the next 4 days. In how many days will C alone complete 50% of the same work?

SSC CGL 2022

A)

36

B)

21

C)

18

D)

24

108)

A and B working alone can complete a work in 8 days and 12 days, respectively. They started working together, but A left 2 days before completion of the work. In how many days was the work completed?

SSC CGL 2022

A)

8

B)

5

C)

6

D)

10

109)

If 35 men can finish a work in 6 days, then in how many days can 7 men do half of the same work?

SSC CGL 2022

A)

30

B)

17

C)

15

D)

60

110)

A tyre has two punctures. The first puncture alone would have made the tyre flat in 45 minutes, and the second puncture alone would have done it in 90 minutes. If air leaks out at a constant rate, then how long (in minutes) does it take for both the punctures together to make the tyre flat?

SSC CGL 2022

A)

30

B)

40

C)

45

D)

15