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

What is the next number in the series?

15 29 56 108 208 ?

Can you find the next number in the sequence?

113 119 101 114 116 ?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

Using Only Five 5's and any mathematical operator make sum as 37

What can go up a chimney down, but can’t go down a chimney up?

Replace the question mark with the correct number below.

Find the next number in the series below.

6 18 270 72090 ?

Find the last number in the series below:

voN luJ yaM raM ---

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?