How many triangles are there on the puzzle below?

What does this mean?

CCCCCCC

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?

As shown in the picture below, we can see a boy hanging on the tree branch to save his life. There are various ways in which he can die like1. A snake hanging toward the right waiting to bite the boy.2. A roaring Lion near the tree.3. Two crocodiles are ready to attack if the boy reaches near water. The tree is chopped to some extent, so can fall as if he moves a lot. Can you give this boy an escape plan?

What is the end of everything?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

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

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable