Math Puzzles and Games


 

1. You begin reading a book 240 pages long. If you read half of the remaining book each day how long would it take you to finish the book?

Solution


2. Add a single line to the equation in order to make it true (the 'equals' sign remains unchanged).

105 + 2 + 5 = 350

Solution

 

3. What is the product of the following series:
(x-a), (x-b), (x-c), .....(x-z) ?

Solution

 

4. An old man said to a young man, "I have a daughter. She has as many brothers as she has sisters. Each one of her brothers has twice as many sisters as he has brothers. How many sons and daughters do I have?

Solution

 

5. What number when multiplied against itself will result in a number which includes the numbers (1 - 9) in forward order, and then descending in order from the 9? (i.e., to get the number: 12,345,678,987,654,321)

Solution

 

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