1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?

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

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?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

When it's bad luck to meet a black cat?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

How do you go from 98 to 720 using just one letter?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?