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A and B can together do a piece of work in 10 days. If A works with twice of his efficiency and B works with an efficiency 1/3rdless than his efficiency,then the work gets completed in 6 days. In how many days can A and B do the work alone respectively?
A
40\/3, 40
B
20\/3, 20
C
30, 20\/3
D
50\/3, 25
Correct Answer:
40\/3, 40
Pavan and Sravan are two persons. If Pavan works with his actual efficiency and Sravan twice of his actual efficiency then it takes 25 days to complete the work. But If Pavan works twice of his actual efficiency and Sravan with his normal efficiency then the work is completed in 20 days. How many days would it take if Sravan alone works with his actual efficiency (in Days)?
A
50
B
100
C
70
D
35
X and Y together can do a piece of work in 30 days. Y and Z together can do the work in 20 days. X starts the work and works for 15 days then Y takes that work and works for 27 days. Finally Z finishes the remaining work in 9 days. In how many days Y alone can complete the entire work?
A
60
B
45
C
50
D
65
A can do a piece of work in 10 days and B can do it in 12 days. They work together for 3 days. Then B leaves and A alone continues. 2 days after that Cjoins and the work is completed in 2 days more. In how many days can C do it, if he works alone ?
A
30 days
B
50 days
C
40 days
D
60 days
Amit can do a piece of work in 45 days, but Bharath can do the same work in 5 days less, than Amit, when working alone. Amit and Bharath both started the work together but Bharath left after some days and Amit finished the remaining work in 56 days with half of his efficiency but he did the work with Bharath with his complete efficiency. For how many days they had worked together?
A
6
B
8
C
9
D
12
18 men can complete a piece of work in 63 days. 9 women take 189 days to complete the same piece of work. How many days will 4 men, 9 women and 12 children together take to complete the piece of work if 7 children alone can complete the piece of work in 486 days ?
A
54 days
B
63 days
C
76 days
D
81 days
E
None of these
A and B together can do a piece of work in 10 days. If A can do the work in 15 days, find in how many days that B alone can do the same work. Given below are the steps involved in solving the above problem. Arrange them in sequential order. A) One day's work of B is 1/10 - 1/15 B) One day's work of A and B is 1/10 and One day's work of A is 1/15 C) B alone can do the work in 30 days D) One day's work of B is 1/30
A
BADC
B
ADCB
C
BCAD
D
BDAC
A and B together can do a piece of work in 30 days, B and C together can do it in 20 days, A starts the work and works on it for 5 days, B takes up and work for 15 days. Finally C finishes the work in 18 days. The number of days in which C alone can do the work where doing it separately is = ?
A
120 days
B
40 days
C
60 days
D
24 days
P alone can complete a piece of work in 6 days. Work done by Q alone in one day is equal to one-third of the work done by P alone in one day. In how many days can the work be completed if P and Q work together ?
A
5 (2\/3)
B
6 (3\/4 )
C
4 (1\/2)
D
3
A, B and C can complete a work in 20, 24 and 30 days respectively. All three of them starts together but after 4 days A leaves the job and B left the job 6days before the work was completed. C completed the remaining work alone. In how many days was the total work completed?
A
10
B
12
C
14
D
16
A, B and C can complete a work in 10, 12 and 15 days respectively. All three of them starts together but after 2 days A leaves the job and B left the job 3days before the work was completed. C completed the remaining work alone. In how many days was the total work completed?
A
5
B
6
C
7
D
8