I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

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?

Solve below rebus puzzle?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

A blonde put eyeliner on her head. Why?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Why blonde cannot dial 911?

Replace the question mark with the correct number in the below-given picture?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

What kind of tree can you carry in your hand?