You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

How many times in a given day, minutes and hour clock comes in a straight line ?

What English word has three consecutive double letters?

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

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

What is black when you buy it, red when you use it, and gray when you throw it away?

Solve the following series:
AZ, GT, MN, __, YB

Can you solve the maths in the below-given picture equation?