Two places P and Q are 92 km apart. A train leaves P for Q and at the same time another train leaves Q for P. Both the trains meet 4 hrs after they start moving. If the train travelling from P to Q travels 7 km/hr faster than the other train, find the speed of the two trains.

A large number of human beings visit zoo and _________it difficult to maintain them.

Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select No improvement.

She has been writing this novel for a year but she did not finish it yet.

Select the number that can replace the question mark (?) in the following series
35, 48, 62, 77, 93, ?

Which of the following is not a female hockey player?

Select the alternative that will replace the question mark in the analogy.
Oven : Bake :: Refrigerator : ?