1 A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?   1 11 days 2 13 days 3 $20\frac{3}{17}$ 4 None of these   Answer:

2 A and B can do a work in 12 days, B and C in 15 days and C and A in 20 days. If A, B and C work together, they will complete the work in:   1 5 days 2 8 days 3 10 days 4 9 days   Answer: Option3

3 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?   1 Rs. 375 2 Rs. 400 3 Rs. 600 4 Rs. 800   Answer: Option2

4 A wall of 100 meters can be built by 7 men or 10 women in 10 days. How many days will 14 men and 20 women take to build a wall of 600 meters?   1 15 2 20 3 25 4 30   Answer: Option1

5 5 persons can prepare an admission list in 8 days working 7 hours a day. If 2 persons join hem so as to complete the work in 4 days they need to work per day for   1 10 hours 2 9 hours 3 12 hours 4 8 hours   Answer: Option1

6 A and B working separately can do a piece of work in 10 days and 15 days respectively. If they work on alternate days beginning with A, in how many days will the work be completed   1 18 days 2 13 days 3 12 days 4 6 days   Answer: Option3

7 45 men can complete a work in 16 days. Four days after they started working, 36 more men joined them. How many days will they now take to complete the remaining work?   1 6 days 2 8 days 3 6days 4 7days   Answer: Option3

8 X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?   1 6 days 2 10 days 3 5 days 4 20 days   Answer: Option2

9 A, B and C can complete a piece of work in 12, 24 and 36 days respectively. In how many days will they together complete the same work?   1 5 2 4 3 6 4 8   Answer: Option3

10 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:   1 4 days 2 6 days 3 8 days 4 12 days   Answer: Option2