Direction: In the following question, out of the four alternatives, choose the one which best expresses the meaning of the given word as your answer.
Mentor

Select the most appropriate synonym of the given word.
Courage

Direction: In the following questions, out of the four alternatives, choose the one which best expresses the meaning of the given word as your answer.

CATASTROPHE

Directions: Choose the word / group of words which is most similar in meaning to the word / group of words printed in bold as used in the passage. 

CONFORM TO 

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

Guzzle

ZENITH 

Direction: In the following questions, out of the four alternatives, choose the one which best expresses the meaning of the given word as your answer.

Infructuous

Select the most appropriate sentence with respect to grammar and usage.