I am the beginning of sorrow and the end of sickness. You cannot express happiness without me yet I am in the midst of crosses. I am always in risk yet never in danger. You may find me in the sun, but I am never out of darkness

A man wanted to encrypt his password but he needed to do it in a way so that he could remember it. He had to use seven characters consisting of letters and numbers only (no symbols like ! or <). In order to remember it, he wrote down “You force heaven to be empty.” What is his password?

Find a number less than 100 that is increased by one-fifth of its value when its digits are reversed

A bat and a ball cost $1.10. The bat costs one dollar more than the ball. How much does the ball cost?

What number comes next in the following sequence? 2 4 8 10 20 _

I have no eyes, no legs, or ears, and I help move the earth. What am I?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

Without it, I am dead. If I am not, then then I am behind. What am I?

What is black when you get it, red when you use it, and white when you are all through with it?