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

What does this mean?

CCCCCCC

Be active and find the killer in the picture Riddle below.

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

If six children and two dogs were under an umbrella, how come none of them got wet?

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

Can you solve the below geography rebus by decoding the below rebus ?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?