Spot what is wrong here in below Picture?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

How many sides does a circle have?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

If 1+9+8=1, what is 2+8+9?

A bomb exploded in a room full of married couples and no one died. How?

Solve below rebus puzzle?