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

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

What has 88 keys?

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

A woman is sitting in her hotel room and hears a knock at the door. She opens the door to see a man whom she’s never met before. He says, “I’m sorry, I have made a mistake, I thought this was my room.” He then goes down the corridor and into the elevator. The woman goes back into her room and calls security. What made the woman so suspicious of the man?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA