I am a prime number.
The double of myself is equal to the square of me.

which number am I?

What do you see in the image below

If six children and two dogs were under an umbrella, how come none of them got wet?

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

Which part of London exists in France as well ?

Can you write down eight eights so that they add up to one thousand?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

How can you leave a room with two legs and return with six legs?

In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set?

(2 + 6), (21 + 6), (58 + 6), (119 + 6), ___

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?