A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Why is the Hole below a Lock?

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

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

What do you get if you add 2 to 100 four times?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?