Remove two matchsticks to make the below equation correct.

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

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Move four matchsticks to the below square to form three squares?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

Why are televisions attracted to people?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?