A shrimping boat is at the docks with a lifeboat hanging off the side 5 meters above the water. If the tides rise at a rate of 1.5 meters per hour, how long would it take for the water to reach the lifeboat.
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There are two ropes that both take exactly 1 hour to burn from end to end. You are unable to cut the rope. How can you burn the two ropes in a total of 45 minutes?
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If you have an 11 minute and 13 minute hourglass, how can you accurately time 15 minutes?
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On a clock, how many times a day do the minute and hour hand overlap?
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You have a glass of water that looks about half full. How can you tell, only using the glass of water itself, if the glass is half full or not?
The glass is a right cylinder.
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There is a chain nailed to the wall. The chain is 10 feet long and the center of the chain dips down 5 feet from where each side of the chain is nailed to the wall. How far are the 2 ends of chain from each other?
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What number do you get when you multiply all of the numbers on a telephone’s number pad?
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What 3 positive numbers give the same result when multiplied and added together?
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If 1/2 of 5 is 3, then what is 1/3 of 10?
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2 men catch 2 fish in 2 minutes. At this rate, how many men could catch 500 fish in 500 minutes?
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Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation.
Note: Each must be used exactly once and no other numbers or symbols can be used.
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John has been hired to paint the numbers 1 through 100 on 100 apartments.
How many times with he have to paint 8?
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What is 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 10,000?
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You have a large number of friends coming over and they all get thirsty. Your first friend asks for 1/2 a cup of water. Your second friend asks for 1/4 a cup of water. Your third friend asks for 1/8 a cup of water, etc.
How many cups of water do you need to serve your friends?
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As I was going to St. Ives,
I met a man with seven wives,
Each wife had seven sacks,
Each sack had seven cats,
Each cat had seven kits:
Kits, cats, sacks, and wives,
How many were there going to St. Ives?
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If you have 30 white socks, 22 black socks, and 14 blue socks scattered across the floor in the dark, how many would you have to grab to get a matching pair?
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Which is correct, 9 and 5 is 13 or 9 plus 5 is 13?
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farmer has three fields. One of them has 3 bundles of hay, another has 4, and the last has 5. How many would he have in the first field if he combined all of them in that field?
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If you have a cake, how many pieces of cake can you form with 3 straight cuts?
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Mr. Smith has 4 daughters. Each of his daughters has a brother.
How many children does Mr. Smith have?
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