In the following question, four words are given out of which one word is incorrectly spelt. Find the incorrectly spelt word.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
Excessive desire to work

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
Speaking with a stammer or lisp

Improve the bracketed part of the sentence.
I left my job because I did not (agree to) the company's appraisal policies.

Improve the bracketed part of the sentence.
The (reason of) her outburst in the party is yet unknown.

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/Phrase.
To accept the gauntlet

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/Phrase.
The thin end of the wedge

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