John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Prove that the below maths equation is true.

8 + 8 = 91

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

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

Buy me, smell me or deliver me, I do not change.

Who am I?

What has lots of eyes, but can’t see?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

A blonde put eyeliner on her head. Why?

Decode this picture on T-Shirt and tell what it says ?

What can go up a chimney down, but can’t go down a chimney up?