Question Id : 15705 |
Context : JEE Main 2019 (12 January Evening Shift)
$.$ In a game, a man wins Rs. $100$ if he gets $5$ or $6$ on a throw of a fair die and loses Rs. $50$ for getting any other number. If he decides to throw the die either till he gets a five or a six or to a maximum of three throws, then his expected gain/loss (in rupees) is:
🎥 Video solution / Text Solution of this question is given below: