0
Q:

# A can do 75% of a job in 18 days and B can do 25% of the job in 12 days. If they work on it together, in how many days can they do 75% of the job?

 A) 16 B) 8 C) 20 D) 12

Explanation:
Q:

A, B and C can do job in 9, 12 and 36 days respectively if they worked alone. A leaves after they have worked together for 3 days. In how many days can B and C do the rest of the job?

 A) 3 B) 4 C) 5 D) 6

Explanation:

1 12
Q:

A,B and C together can finish a task in 7.5 days. C is thrice as productive as A and B alone can do the task in 15 days. In how many days can A and C do the job if B goes on leave?

 A) 30 B) 10 C) 20 D) 15

Explanation:

0 2
Q:

A can paint a house in 45 days and B can do it in 15 days. Along with C, they did the job in 5 days only. Then, C alone can do the job in how many days?

 A) 12 B) 9 C) 15 D) 8

Explanation:

0 5
Q:

A can do a work in 36 days and B in 12 days. If they work on it together for 3 days, then what fraction of work is left?

 A) 2/3 B) 1/3 C) 1/4 D) 1/5

Explanation:

0 1
Q:

P and Q can complete a task in 50 and 20 days respectively. In how many days can they complete 70% of the task if they work together?

 A) 20 days B) 20 days C) 40 days D) 10 days

Explanation:

0 17
Q:

A can do a work in 16 days and B in 20 days. If they work on it together for 8 days, then what fraction of work is left?

 A) 1/3 B) 1/6 C) 2/9 D) 1/10

Explanation:

0 23
Q:

If A alone can do a job in 40 days then, in how many days can B alone do the job if together they can do the job in 8 days?

 A) 15 B) 10 C) 20 D) 25

Explanation:

1 66
Q:

If A, B and C together do a job in 4 days, A and C together do the job in 4.5 days and B and C together do the job in 12 days then in how many days can C alone do the job?

 A) 36 B) 6 C) 18 D) 12