JEE Main 2019 · 12 Jan · Shift II

JEE Main 2019 Mathematics question on Probability

In a game, a man wins ₹100 if he gets 5 or 6 on a throw of a fair die and loses ₹50 for getting any other number on the die. 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
  1. A.
    4003\frac{400}{3} loss
  2. B.
    4009\frac{400}{9} loss
  3. C.
    00
  4. D.
    4003\frac{400}{3} gain
Show answer

Correct option: C

[JEE Main 2019 · 12 Jan · Shift II]

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