Daughter : Mother :: Mars : ?
A body is thrown vertically upward and it reaches 10m high. Find the velocity with which the body was thrown? (g = 9.8 m/s)
The second’s hand of a watch is 2 cm long. The velocity of its tip is
4 men or 8 women can do a piece of work in 24 days. In how many days, will 12 men and 8 women do the same work?
what is a percent of b divided by b percent of a?
Answer : 1
Two pipes A and B are attached to a cistern. Pipe A can fill the cistern in 3 hours while pipe B can empty it in 9 hours. When both the pipes are opened together, find the time for filling the cistern?