Questions

∆DEF is right angled at E. If m∠F = 45°, then find the value of (cosecD - 1/√3).

What will be the value of xy, if x2+y2 = 45 and x-y=5 ?

It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the car is:

Koushik can do a piece of work in X days and Krishnu can do the same work in Y days. If they work together, then they can do the work in

On which river is the Tehri dam built?

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Books are our ______ friends. They are our guides. We can learn everything from them. The books contain all the great ______ of the world's leaders and we can learn them by reading the books. The books help us find ______ to our questions. The books never fail us. We should read as ______ books as we can. But all books are not good. So we should ______ only good books.

______ books as we can.

Which element is not a part of a nitrogenous base?

Which of the following is secreted by the liver?