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Equity Trader Interview Questions

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If you have 9 marbles and one is heavier than the other 8. How can you use only a balance beam to figure out which is the heavy one if you can only use it twice.

7 Answers

Weigh 3 against 3. If they're the same weight, the heavy one's in the other group of 3.

Your answer does not select the actual heaviest marble, nor does it make use of the balance beam twice as indicated in the original problem. Instead: weigh 4 against 4. IF they are the same weight then the remaining one is the heaviest. OTHERWISE IF one lot is heavier then take the lot of 4 and discard the rest. Then weigh 2 against 2. Take the heavier lot of 2 and place one in each hand. The heavier one is the heaviest marble.

Your answer does not select the actual heaviest marble, nor does it make use of the balance beam twice as indicated in the original problem. Instead: weigh 4 against 4. IF they are the same weight then the remaining one is the heaviest. OTHERWISE IF one lot is heavier then take the lot of 4 and discard the rest. Then weigh 2 against 2. Take the heavier lot of 2 and place one in each hand. The heavier one is the heaviest marble.

If the clock is at 9:30, what angle is it at?

6 Answers

Given two die, what is the probability that the sum when rolled would add up to six?

5 Answers

How many times will you write 'nine' if you wrote out the numbers 1 to 100?

6 Answers

what is the angle between hour and minute hand at 10:30 how to escape a room without windows how much dust in a hole of 10*12*10 inches indexes and bond interest rates of prior day behavioral questions: who would you like to invite for dinner

2 Answers

What did the S&P close at yesterday?

1 Answer

What are the US Equity Market Hours?

1 Answer

What is the largest US Equity by Market Capitalization?

1 Answer

Name at least 3 companies Berkshire Hathaway owns?

1 Answer

Are you going to want to be the equity trader here for the long term?

1 Answer
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