
24 from 8,8,3,3
How can I get the answer 24 by only using the...
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5digit Number
What 5digit number has the following features:...
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Birthday
When asked about his birthday, a man said:
"The...
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Choose the Right Symbol
What mathematical symbol can be put between 5 and...
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Four Fours
A popular mathematical passtime:
Use exactly...
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FourDigit Whole Number
There is one fourdigit whole number n, such that...
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Fraction
Can you arrange the numerals 1 to 9 (1, 2, 3, 4, 5...
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Make the Number 100
Using the numerals 1,7,7,7 and 7 (a "1" and four...
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One and a Half Hens
If one and a half hens lay one and a half eggs in...
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Sum Of Digits is 43
I am thinking of a 6digit number. The sum of the...
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Tricky Equation
The following equation is wrong: 101  102 =...
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Two Consecutive Numbers
A Teacher thinks of two consecutive numbers in the...
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Where Did the Dollar Come From ?
Two friends have a nice meal together, and the...
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Where Did the Dollar Go ?
Three friends have a nice meal together, and the...
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