Access and Discuss Multiple choice questions for various competitive Exams and Interviews.

 1. A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is : a. 1/4 b. 1/10 c. 7/15 d. 8/15

 2. A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in: a. 9(1/5)days b. 9(2/5)days c. 9(3/5)days d. 10

 3. A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day? a. 12 days b. 15 days c. 16 days d. 18 days

 4. A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in: a. 20 days b. 22(1/2)days c. 25 days d. 30 days

 5. A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C? a. Rs. 375 b. Rs. 400 c. Rs. 600 d. Rs. 800

 6. If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the time taken by 15 men and 20 boys in doing the same type of work will be: a. 4 days b. 5 days c. 6 days d. 7 days

 7. A can do a piece of work in 4 hours; B and C together can do it in 3 hours, while A and C together can do it in 2 hours. How long will B alone take to do it? a. 8 hours b. 10 hours c. 12 hours d. 24 hours