What has 13 hearts but no other organs?

What does this simple rebus mean?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

Can you find out the remainder when 3^300 is divided by 5?

The more you take me, the more you leave me behind.
Who Am I?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

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

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

I am sometimes honest
Sometimes dishonest
I can be sweet and also bitter
I can hurt you real bad and
also make u smile and blush ☺️
What am I?

Can you quickly find which two matchstick figures are identical?