Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

How many times can you subtract the number 5 from 25?

By what process could you make a 'Tea-Table' into food?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

Can you spot the man between the coffee bean in the picture below ?

There was a strange boy who was born before his father. How can this be possible?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?