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?

What brings you down but never up?

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

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

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

Why is it very easy to weigh a fish?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?