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

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Can you solve below mathematical equation?

2^1234 - 2^1233

You need to move three matchsticks to form three squares. Can you do it?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside.
The man said, "Oh! I am really sorry, I thought this was my room."
He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man.
What made her suspicious of that man? He might have been genuinely mistaken.

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

Find out the number of circles in the given picture having Illusion

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

What is the riddle which can be asked all day with a different correct answer each time.

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