A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

Can you tell a 3D object that has just two surfaces?

If your uncle’s sister is not your aunt, what relation is she to you?

I add 5 to 9 and get 2. The answer is correct, so what am I?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

What do you answer even though it never asks you questions?

Which part of London exists in France as well ?