What is 3/7 chicken, 2/3 cat and 2/4 goat?

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

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

Guess the hidden movie name?

What has a ring but no finger?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

When it is alive we sing, when it is dead we clap our hands. What is it?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

Why is the Hole below a Lock?