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In a game, a man wins Rs 100 if he gets ...

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 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: (a) `400/3` gain (b) `400/9` loss (c) 0 (d) `400/3` loss

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