Can you find out the total number of triangles in the given figure?

What does this below rebus puzzle mean?

Can you quickly find which two matchstick figures are identical?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

Can you find the six hidden animals in the picture below?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

What word is represented by this rebus?

Identify the hidden meaning behind this picture?

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?