The correct meaning of the word 'senile' is -

As I ____ Mr. Chowdhury's behaviour towards me, I will not tolerate it anymore.

Choose the word or phrase (A, B, C, D,) that is closest in meaning to the underlined word in the sentence: Modern printing equipment quickly turns out duplicate copies of textual and pictorial matter.

The best synonym of 'instinct' is ——.

The synonym of 'Stalk' is-