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Riddle:

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

Answer:

Once the water is boiling, turn the three-minute timer and five-minute timer over. When the three-minute timer runs out, put the egg in the boiling water. When the five-minute timer runs out, two minutes have elapsed and it is time take the egg out of the water. You don't need the four-minute timer for this riddle.

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Riddle:

In a stable there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable?

Answer:

14 horses and 8 men. 14x4 plus 8x2 = 72 feet.

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Riddle:

What do mathematics teachers like to eat?

Answer:

Pi.

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Riddle:

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Answer:

It will still be 38°.

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Riddle:

What happened to the plant in the math classroom?

Answer:

It grew square roots, of course.

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Riddle:

Take two numbers, such that the square of the first, plus the square of the second, shall equal 8; while the first, plus the product of the first and second, shall equal 6.  What are the two numbers?

Answer:

2 and 2.

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Riddle:

What did one math book say to another?

Answer:

I have so many problems.

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Riddle:

What do you call two math friends?

Answer:

Algebros!!

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Riddle:

What is the most useful instrument in a mathematics teacher's tool kit?

Answer:

Multi-pilers!

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Riddle:

Find the four digit number in which the first digit is one fourth of the last digit, the second digit is 6 times the first digit, and the third digit is the second digit plus 3. What is it?

Answer:

1694.

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