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

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

Why Aeroplane windows are round?

Which letter of the alphabet has the most water?

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

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

Can you solve this picture maths equation?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.