Questions

If a - b = 3 and a2+b2=25, then the value of ab is

Light travels fastest in

____________ is also known as spreadsheet.

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

The bigger a group the less are the chances of an individual (get) the requisite attention when necessary.

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 mother (1)/ told me (2)/ don’t eat the junk food. (3)/ No error (4)

A company faces a -2.5 price elasticity of demand for its product. It is presently selling 10,000 units/month. If it wants to increase quantity sold by 6%, it must lower its price by

A standard drink is generally

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.