John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Can you make four (4) nines (9) equal 100?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

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

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Find the value of "?" in the ball picture Riddle below:

Can you decipher the below rebus?

PBLUESAISNUERSES

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?