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objective Ques (148 results)
121)

For doing a certain work, the efficiencies of A, B and C are in the ratio 2 : 3 : 5. Working together, they can complete the same work in 15 days. B and C can complete 80% of the original work in:

A)

15 days

B)

18 days

C)

20 days

D)

12 days

122)

Pooja takes 3 times as much as time than Charu and twice as much time as Bano to do a work. If all three work together, she can finish the work in 2 hours. How long will it take Bano to do the whole work alone?

A)

8 hours

B)

5 hours

C)

6 hours

D)

7 hours

E)

10 hours

123)

The efficiency of A, B, and C is 2 : 3 : 5. A alone can complete a work in 50 days. They all work together for 5 days and then C left the work, in how many days A and B together can complete the remaining work?

A)

50 days

B)

30 days

C)

20 days

D)

10 days

124)

If 'A' is 7 times as efficient as 'B', 'B' takes 32 days to complete the task, then find the number of days required to finish the whole work by 'A' and 'B'  working together.

A)

2 days

B)

4 days

C)

6 days

D)

8 days

125)

To do a certain work, A and B work on alternate days with B beginning the work on the first day. A alone can complete the same work in 24 days. If the work gets completed in \(11 {1 \over 3}\) days, then B alone can complete 7/9 part of the work in ?

A)

4

B)

5

C)

6

D)

4.5

126)

A, B, and C can complete a work in 40, 60, and 80 days respectively. They started working together. If A and B left 11 days and 8 days before the completion of work. In how many days they will complete the work.

A)

13 days

B)

26 days

C)

39 days

D)

52 days

127)

A and B together can complete a certain work in 20 days whereas B and C together can complete it in 24 days. If A is twice as good a workman as C, then in what time will B alone do 40% of the same work?

A)

12 days

B)

10 days

C)

18 days

D)

15 days

128)

24 men can do work in 16 days, while 32 women do the same work in 24 days. If 16 men and 16 women started the work, then after 12 days how many more men needed to finish the remaining work in 2 days?

A)

36

B)

12

C)

30

D)

24

129)

A and B can complete a piece of work together in 20 days. They start work together but A had to leave 5 days before the work finally got over. If B finishes the remaining in 18 days, then how long will B take to complete the work separately.

A)

72 days

B)

64 days

C)

100 days

D)

120 days

130)

A alone can complete a work in 30 days while B alone can complete the same work in 20 days. In how many days both working together can complete the same work?

A)

10

B)

12

C)

15

D)

20

showing 121 - 130 results of 148 results

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