1 
A can do a job in 12 days and B can do the same job in 10 days. With the help of C they can do the same job in 4 days. In how many days C alone can do this job?


Answer:
Option (d) 
2 
A can do a work in 10 days and B can do the same work in 15 days. If they start working together but stop working after four days, find the fraction of the work that is left.


Answer:
Option (a) 
3 
A takes 3 days to complete a work while B takes 2 days. Both of them finish a work and earn Rs. 150. What is A’s share of money?


Answer:
Option (c) 
4 
A tap having diameter 'd' can empty a tank in 84 min. How long another tap having diameter '2d' take to empty the same tank?


Answer:
Option (a) 
5 
If 10 men can make 200 chairs working for 15 days at the rate of 8 hr per day, how many chairs can 5 men make working for 10 days at the rate of 6 hr a day? (Assume all people are equally efficient.)


Answer:
Option (b) 
6 
Kamal will complete work in 20 days. If Suresh is 25% more efficient than Kamal, he can complete the work in  days.


Answer:
Option (a) 
7 
Manu, Manju and Maya can do a work in 90, 30 and 45 days respectively. If they work together, in how many days will they complete work?


Answer:
Option (a) 
8 
Ram alone can paint a wall in 7 days and his friend Roy alone paints the same wall in 9 days. In how many days they can paint the wall working together? (Round off your answer)


Answer:
Option (c) 
9 
Two pipes A and B can fill a tank in 12 and 24 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank?


Answer:
Option (d) 
10 
From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there in the committee. In how many ways can it be done?


Answer:
Option (c) 