Pappu and an american met on a plane and had a bet that:
“if pappu fails to answer his question he must give 5$ and if american fails he has to give 500$”
American: what is the difference between earth and moon??
Pappu silently gave 5$ to american.
Pappu: Which is the animal with 3 legs, goes to the mountain and returns with 4 legs?
American searches for 2 hours in his laptop and gave 500$ n asks: what is the answer?
Pappu again silently gave 5$.