Questions

Who Invented the 3-D printer?

What did J. B. Dunlop invent?

Pilibhit wildlife sanctuary is located in which Indian State?

English education was introduced in India by

Neeraj Chopra is associated with which sports?

The salt concentration (measured as salinity in parts per thousand), is _______ % in sea.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
My brother finds it difficult (1)/ to pass away the time (2)/ at our grandparent's house. (3)/ No Error (4)

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.

the great ______ of our world.