Showing posts with label math puzzle. Show all posts
Showing posts with label math puzzle. Show all posts

Friday, June 6, 2008

Easy Problem

You can do this one really fast in your head:

Haretown and Tortoiseville are 40 miles apart. A hare travels at 9 miles per hour from Haretown to Tortoiseville, while a tortoise travels at 1 miles per hour from Tortoiseville to Haretown.

If both set out at the same time, how many miles will the hare have to travel before meeting the tortoise en route?

Link


Answer in Comments

Tuesday, June 3, 2008

Cool Birthday Puzzle

Test your arithmetic skills with this series of calculations:

Write the number of the month in which you were born.
Multiply by 4.
Add 13.
Multiply by 25.
Subtract 200.
Add the day of the month you were born.
Multiply by 2.
Subtract 40.
Multiply by 50.
Add the last two digits of the year you were born.
Subtract 10,500.

If you made no mistakes, the answer should give your birthday in mmddyy format. Now test your algebra skills:

Can you explain why this works?

It worked for me..when I figure out how it works, I'll post a comment.
have a go at it!

you can probably find the answer by following this source link