45
Q:

# A and B can do a work in 4 hours and 12 hours respectively. A starts the work at 6 AM and they work alternately for one hour each. When will the work be completed?

 A) 4 days B) 5 days C) 6 days D) 7 days

Explanation:

Work donee by A and B in the first two hours, working alternatively = First hour A + Second hour B = (1/4) + (1/12) = 1/3.

Thus, the total time required to complete the work  = 2 (3) = 6 days

Subject: Time and Work
Q:

G is twice as fast as S in doing work. If G can do a work in 30 days less than S, how many days will they take to complete the work together?

 A) 25 B) 20 C) 22 D) 15

Explanation:

Filed Under: Time and Work
Exam Prep: Bank Exams

5 604
Q:

X can complete 5/7 part of a work in 10 days and Y can complete 3/4 part of the same work in 9 days. In how many days will both complete 13/21 part  of the total work?

 A)  6 B) 4 C) 3 D) 12

Explanation:

Filed Under: Time and Work
Exam Prep: Bank Exams

1 449
Q:

P can do a work in 10 days. Q can do the same work in 15 days. If they work together for 5 days, how much of the work will they complete?

 A) 1/2 B) 2/3 C) 1/3 D) 5/6

Explanation:

Filed Under: Time and Work
Exam Prep: Bank Exams

1 549
Q:

P can make a table in 16 days while Q can make it in 20 days. Q started the work and did that work for 5 days. In how many days P can complete the remaining work?

 A)  10 B)  12 C)  15 D) 18

Explanation:

Filed Under: Time and Work
Exam Prep: Bank Exams

1 356
Q:

S and T can finish a work in 50 days. They worked together for 20 days and then left. How much of the work is left?

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

Explanation:

Filed Under: Time and Work
Exam Prep: Bank Exams

3 502
Q:

Type 1 workers are 2.5 times as efficient as type 2 workers. Twelve Type 1 workers can complete a task in 10 days. How many days would it have taken 4 Type 1 and 15 Type 2 workers to do the same work?

 A) 13 B) 10 C) 12 D) 11

Explanation:

Filed Under: Time and Work
Exam Prep: Bank Exams

1 558
Q:

P, Q and R alone can complete a work in 12, 15 and 20 days respectively. In how many days will they together complete the same work?

 A) 4 B)  5 C)  6 D) 3.5

Explanation:

Filed Under: Time and Work
Exam Prep: Bank Exams

1 570
Q:

A, B and C can complete the work in 4, 5 and 6 hours respectively. If they all work together and receive Rs. 777 as wages then find the share of A.

 A) Rs. 300 B) Rs. 315 C) Rs. 326 D) Rs. 175