Can you find the key in the picture below?

Rebus Puzzle Definition: A rebus is an illusion device that uses pictures to represent words or parts of words.
What does This Rebus Puzzle Identify?

What has 13 hearts but no other organs?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

What famous saying does this rebus mean?

COME SERVED <---
COME SERVED
COME SERVED
COME SERVED
COME SERVED

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

Replace the question mark with the number below given a simple math problem.

Look at the picture and find out which square is not linked with any of the other squares.