What was the bet about?
The bet was about whether Mario had as many friends as he thought he had.
Mario's grandfather bet him a fruit chaat that many of his so-called friends were nothing more than companions or partners, not real friends.
Mario accepted the bet and used the invisible chair test to find out who his true friends were.
Explanation
The grandfather challenged Mario's belief that he had many friends. The bet was that Mario would discover that many people he considered friends were merely companions. The fruit chaat was the stake, and Mario won the bet when he identified his three true friends.
Solution Steps
The bet questioned whether Mario had as many friends as he believed.
The grandfather wagered a fruit chaat that many friends were merely companions.
Mario used the invisible chair test to identify his true friends.