In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

What is both possible and impossible at the same time?

Why is the Hole below a Lock?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Can you decipher the two rows to find the hidden word?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

With the help clues provided in the image, can you find the 5 digit key?