Brain teaser Interview Questions

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“GIven 9 balls all of which weigh the same except for one, what is the minimum of weighings necessary to find the ball weighs more (or less).”

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“Have you ever told a subordinat to do something and found out latter it was wrong? How did you correct it?”

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“You have two lightbulbs and a 100-storey building. You want to find the floor at which the bulbs will break when dropped. Find the floor using the least number of drops.”

Associate at Novantas

Jan 20, 2010
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“You have 15 horses that run various speeds. You own a race track on which you can race the horses, and this track holds a maximum of 5 horses per race. If you have no stopwatch or other means of…”

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“You have 25 horses, what is the minimum number of races you can find the top 3.

In one race you can race 5 horses, and you don't have a timer.”

“How many passengers leave JFK airport on a given day.”

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“An array of 99 elements contains integers from 1 to 100 with one missing element. Find the missing element.”

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“There are three boxes, one contains only apples, one contains only oranges, and one contains both apples and oranges. The boxes have been incorrectly labeled such that no label identifies the actual…”

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“You're about to get on a plane to Seattle. You want to know if you should bring an umbrella. You call 3 random friends of yours who live there and ask each independently if it's raining. Each of your…”

“If you were hired, where would you want your office to be?”

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