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Riddle: Something very extraordinary happened on the 6th of May, 1978 at 12:34 a.m. What was it?
Answer: At that moment, the time and day could be written as: 12:34, 5/6/78.
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.
Riddle: What happened to the plant in the math classroom?
Answer: It grew square roots, of course.
Riddle: What do you call two math friends?
Answer: Algebros!!
Riddle: What is the most useful instrument in a mathematics teacher's tool kit?
Answer: Multi-pilers!
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Riddle: When my father was 31 I was 8. Now he is twice as old as me. How old am I?
Answer: The difference in age is 23 years, so I must be 23 if my father is twice as old as me.
Riddle: What did one math book say to another?
Answer: I have so many problems.
Riddle: What is the next number in the series? 7,645 5,764 4,576...
Answer: 6,457. The last digit is moved to the front to make the next number.
Riddle: Take eight small sticks, four of which are half the length of the other four. How can you make three equal squares out of the sticks?
Answer: Use the longer four sticks to be sharing sides between the squares and at the end their should be three intertwined squares.
Riddle: A new medical building containing 100 offices had just been completed. Mark was hired to paint the numbers 1 to 100 on the doors. How many times will Mark have to paint the number nine?
Answer: The answer is 20! 9, 19, 29, 39, 49, 59, 69, 79, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99.
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