Math riddles and number puzzles that challenge your lateral thinking. Test your logic and calculation skills with these numerical conundrums. Get the obvious answers to math riddles.

When John was six years old he hammered a nail into his favorite tree to mark his height. Ten years later at age sixteen, John returned to see how much higher the nail was. If the tree grew by five centimeters each year, how much higher would the nail be?

Answer:

The nail would be at the same height since trees grow at their tops.

There is a clothing store in Bartlesville. The owner has devised his own method of pricing items. A vest costs $20, socks cost $25, a tie costs $15 and a blouse costs $30. Using the method, how much would a pair of underwear cost?

Answer:

$45. The pricing method consists of charging $5 for each letter required to spell the item.

One is to three as three is to five and five is to four and four is the magic number.

What is the pattern?

Answer:

One has three letters in the word three has five letters in it five has four letters and four has four letters in it (if you try more numbers they will always come back to the number four: so four is the magic number)