Question

Question 2: Why was he amused by this idea?

Class 12 - English - The Rattrap Page 34

Answer 1

The peddler was a vagabond whose life was sad and monotonus. Of course , the world had never been very kind to him.
That's why he was amused by this idea of thinking ill of the world as a rattrap.

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Answer 2

Hi friend,

The peddler believed that the world is a rattrap designed to tempt people into it. As the world had never been kind to him, it gave him some kind of an unwonted joy to think ill of it. 

Hence, he was amused by this idea as he thought about the people who were already caught in the trap and others who were circling around the bait.

Hope it helps!