In the questions given below, choose the word most opposite in meaning to the given word and mark your answer.

Ribald

In the questions given below, choose the word most opposite in meaning to the given word and mark your answer.

Acerbic

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word. 

Fiendish

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word. 

Esoteric

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word. 

Crescendo

Which of the following ocean is called the hidden ocean?

The world's largest ocean is?

A mountain range of Europe is?