Questions

Which of the following gases is heavier than oxygen?

Opportunity costs exist because

In the following question, out of the four alternatives, select the word similar in meaning to the word given.
Monotonous

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

The state of being in short supply

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'.

He only plays a subsidiary(A)/ role in the management(B)/of this organization.(C)/No error(D)

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
Call it a day

Who is the Chairman of NITI Aayog?

Three crops that contribute maximum to global food grain production are _________