Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

If you say my name, I will no longer exist. What am I?

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

The more of this there is, the less you see. What is it?

I always drive my customer away.

Who am I?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

Can you count the number of blocks in the picture below?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?