Questions

A compact disc is a data storage of the type

Computer system which do not not require any storage device?

Which country is the world's largest silver producer?

Intensity of any wave is proportional to which of the following?

Computers cannot work without

In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase.

Argus eyed

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

Improve the bracketed part of the sentence.
Rohan was upset and so (picked up) his food while his cousins ate heartily.