Related Questions

A takes twice as much time as B or thrice as much time as C to finish a piece of work Working together, they can finis the work Working together , they can finish teh work in 2 days . B can do the work alone in -
A 4 days
B 8 days
C 6 days
D 12 days
Meghnad can do a piece of work in 45 hours. If he is joined by Jayshri, who is 50% more efficient, in what time will they together finish the work?
A 9 hours
B 6 hours
C 12 hours
D 18 hours
Mansukh can do a piece of work in 10 hours. If he is joined by Jayanti who is 50% more efficient, in what time will they together finish the work?
A 2 hours
B 6 hours
C 4 hours
D 3 hours
Vijay can do a work in 8 hours. Vijay and Puneet together can do the same work in 6 hours. Puneet and Sachin together can do the same work in 4 hours. Sachin alone can complete the same work in how many hours?
A 22\/5
B 28\/5
C 24\/5
D 26\/5
Tow workers A and B are engaged to do a work . A working alone takes 8 hours more to complete the job than if both worked together . If B worked along, he would need 4.5 hours more to complete the job than they both working together . What time would they take to do the work together ?
A 4 hours
B 5 hours
C 6 hours
D 7 hours
City High School must put together a debating team consisting of four debaters.There are candidates of equal ability : X,Y and Z who are all seniors; and A,B,C and D who are all juniors..The school requires that there should be two seniors and two juniors in the team.It is also necessary that all of the debaters be able to work with one another. *Debaters Y and A cannot work together. *Debaters Z and C cannot work together. *Debaters A and B cannot work together. which of the following statements must be false? 1.Debaters Y and C are never selected together. 2.Debaters Z and D are never selected together. 3.Debaters Z and D are never selected together.
A Only I
B Only II
C Only III
D All of these
Four men and 6 women finish a job in 8 days. while 3 men and 7 women finish it in 10 days. while 3 men and 7 women finish it in 10 days. In how many days will 10 women take to finish the work together?
A 32
B 36
C 40
D None
A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in :
A 8 days
B 6 days
C 4 days
D 12 days
A takes twice as much time as B or thrice as much time as C to finish a piece of work . Working together , they can finish the work in 2 days . B can do the work alone in :
A 6 days
B 8 days
C 12 days
D 4 days
 A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in: 
A 4 days
B 6 days
C 8 days
D 12 days

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