Exams

Pipe A can empty a filled tank in 28 hours while Pipe B can fill the same tank, when empty in 35 hrs. If alternatively Pipes A and B are turned on for an hour each time, starting when the tank is full, how long will it take to empty the tank?

The distance between two cities X and Y is 270 km. First train starts from X at 7:00 a.m. and travels towards Y at 40 km/hr. Second train starts from Y at 8:30 a.m. and travels towards X at 30 km/hr. At what time (in a.m.) will both the trains meet?

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Throw the towel in

Circumvent : Bypass :: Comprehensible : ___

Which of the following is a natural polymer?

Who among the following gave monistic theory of sovereignty?

Which Constitutional Amendment Act deals with the disqualification of MPs and MLAs?

___________ is the second largest animal phylum.