A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

What number when divided in half becomes zero?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

What is the Surname of Barbie Doll?

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.

When it's bad luck to meet a black cat?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

What makes this number unique: 8,549,176,320?

Which alphabet is a part of our body?