Why Aeroplane windows are round?

What has hands, but can’t clap?

What is the next shape from answers A, B, C, and D figure?

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

Replace the question mark with the number below given a simple math problem.

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.

You can see three almost identical images below. Can you spot the odd one out from them?

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

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

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