John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

What number divided by 4 is the same as that number minus 4?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?

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

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

How many times can you subtract the number two from the number fifty?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

You visit a home for specially-abled children on the occasion of Christmas where you meet with 50 children. You have a box of chocolates containing 50 chocolates exactly.

What if you were asked to one chocolate to each child in a manner that one chocolate still remains in the box? Is it possible?