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

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

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
One who does not care for literature or art

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
Giving undue favours to one's own kith and kin

Improve the bracketed part of the sentence.
She is not used (to sleep) for so long.

Improve the bracketed part of the sentence.
William Shakespeare is the greatest of (all other) writers.

What is the simplified value of 1-sin A1+sin A ?

What is the simplified value of (1– sin A cos A)(sin A + cos A)?