Question

element of humour in the story-a snake in the grass

Answer 1

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The irony comes from the servant, who is probably very lazy, amusingly tricking the family into thinking that he has done what they spent all afternoon trying to do. In addition, he saves his job because the family had threatened to fire him if the snake was not found. Shrewdly, he has outwitted them all with his pretense of the snake in the jar. The irony at the end of the story is that the family is planning to reward Dasa when he has in fact lied and endangered them, thus deserving no reward and thus making himself the "snake in the grass" who turns on them.