I give you 18 balls, of which 17 weigh the same and the last one is heavier than the rest. I also provide you a balance scale. Can you tell me the minimum number of weighs with which you can tell me which ball is the odd one?
Junior Trader Analyst Interview Questions
9,651 junior trader analyst interview questions shared by candidates
What is the minimum number of cards to make a card tower with 100 levels (you need 2 cards for 1 level, 7 for 2, etc.)?
If the time is 6:34PM, what is the angle between the minute hand and hour hand?
How much would you pay to play the following game: I roll a dice and pay you the amount showing (so if I roll a 4, I give you $4).
If a submarine can fire has two missiles to fire with each one hitting with a probability of 1/3, what is the probability that at least one missile will hit?
What is the expected value to you of the following game: You and another person have 3 coins each. You both flip all of your coins and if your three coins show the same number of tails as the other person, you pay them $2, otherwise they pay you $1.
a group of people wants to determine their average salary on the condition that no individual would be able to find out anyone else's salary. How can they accomplish this?
What is 91^2?
You and a friend are betting on individual games of the World series. For each game, if your team wins, you win a certain (positive) amount of money, and if your team loses, you lose that amount. You and your friend create a betting scheme such that you will win 1000 dollars if your team wins and lose 1000 dollars if your team loses, regardless of the game score (it could be 4-3, 2-4, etc.). How much do you bet on the first game?
Q:(i) How many 7-digit numbers are in the form of abcdcba (symmetric about the digit in the middle)? (ii) What is the average of such numbers?
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