## 3123 Reputation

12 years, 74 days

## Pirates and Gold...

Maple

Fridays Killer Questions 7city Learning:

Question) You're the captain of a pirate ship and your crew gets to vote on how the gold is divided up. If fewer than half of the pirates agree with you, you die. How do you recommend apportioning the gold in such a way that you get a good share of the booty, but still survive?

Answer) You divide the booty evenly between the top 51% of the crew.

## Clock and Degrees...

Fridays Killer Questions 7city Learning:

Question) Calculate the number of degrees between the hour hand and the minute hand of a clock (non digital) that reads 3:15.

Answer) The minute hand will be horizontal and the hour hand will also almost be horizontal but it will have moved ¼ of an hour 12 hours=360 degrees, 6 hours = 180 degrees, 3 hours =90 degrees, 1 hour = 30 degrees, ¼ of an hour=7.5 degrees

## Containers and Water...

Maple

Fridays Killer Questions 7city Learning:

Question) You have two containers, one holds five gallons, the other holds three. You can have as much water as you want. Measure exactly four gallons of water into the five gallon container.

Answer) Fill up the three-gallon container and pour it into the five-gallon container. Do it again – there will be one gallon left in the three-gallon container. Empty the five, pour in the one,...

## Water and Berries.....

Maple

Fridays Killer Questions 7city Learning:

Question) You have 100 kg of berries. 99% of the weight of berries is water. Time passes and some amount of water evaporates, so our berries are now 98% water. What is the weight of berries now?

Answer) The unexpected, yet correct, answer is 50 kg. It seems like a tiny amount of water has evaporated so how can the weight have changed that much? There is clearly 1 kg of solid matter in the...

## Balls and Weight......

Maple

Fridays Killer Questions 7city Learning:

Question) There are eight balls, one of which is slightly heavier than the others. You have a two-armed scale, which you are allowed to use only twice. Find the ball that’s heavier.

Answer) Put three balls on each side of the scale. If the arms are equal, you know the heavy ball is one of the two remaining. If the arms are unequal, take the three balls on the heavier side, pick two and weigh them against each other.

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