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Have a truck starting that can carry a maximum of 1000 apples, and starts with 2000 apples at a depot. What's the maximum number of apples that can be carried across a 1000 mile desert assuming 1 apple falls off the truck for every mile travelled?
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Assistant Trader

Interviewed at Jane Street

4.4★
Jan 12, 2012

Have a truck starting that can carry a maximum of 1000 apples, and starts with 2000 apples at a depot. What's the maximum number of apples that can be carried across a 1000 mile desert assuming 1 apple falls off the truck for every mile travelled?

You play a game where you roll a 100-sided die label with the numbers 1-100. You can either get paid the amount rolled in dollars or pay a dollar to roll again. You can always elect to pay another dollar to roll again, until you're finally satisfied with your current roll and get paid out based on that. What's the optimal strategy for this game and what's your expected winnings given this strategy?
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Assistant Trader Internship

Interviewed at Jane Street

4.4★
Feb 28, 2013

You play a game where you roll a 100-sided die label with the numbers 1-100. You can either get paid the amount rolled in dollars or pay a dollar to roll again. You can always elect to pay another dollar to roll again, until you're finally satisfied with your current roll and get paid out based on that. What's the optimal strategy for this game and what's your expected winnings given this strategy?

Flipping of a coin. Heads $20, tails -$5. Do you like this game. Second game, $20million heads, tails -$5. Do you prefer the second game? Last game is the same values as the first game, we can play it once or 100 times which would you prefer and why?
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Graduate Trader

Interviewed at IMC Trading

4.1★
May 30, 2012

Flipping of a coin. Heads $20, tails -$5. Do you like this game. Second game, $20million heads, tails -$5. Do you prefer the second game? Last game is the same values as the first game, we can play it once or 100 times which would you prefer and why?

You have a deck of 3 black cards and 3 red cards in random order. There is a game where you turn over one card at a time; if it is red you win a dollar, if it is black you lose a dollar. How much would you pay to play this game?
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Trader Intern

Interviewed at IMC Trading

4.1★
Oct 14, 2015

You have a deck of 3 black cards and 3 red cards in random order. There is a game where you turn over one card at a time; if it is red you win a dollar, if it is black you lose a dollar. How much would you pay to play this game?

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