Questions

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
A speech or a presentation made without previous preparation.

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'.

Since they were all dressed up,(A)/she assumed they(B)/were going to church together.(C)/No error(D)

Which of the following is NOT a noble gas?

What is the action of dry HCl gas on dry litmus paper?

What are stars primarily made of?

Which is the first metallic element in the Modern Periodic Table?

The pH value increase from 7 to 14 represents a

If quantity of good X demanded increases from 4000 units to 5000 units when price of good Y increases from Rs 75 to Rs 90, find Arc Cross elasticity of demand?