Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

Find the next number in the sequence

5 12 24 36 ?

A pregnant woman is preparing to name her seventh child. Her children's names so far are Dominique, Regis, Michelle, Fawn, Sophie, and Lara. What will she name her next child -- Jessica, Katie, Abby or Tilly?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

Which number should replace the question mark?