Can you solve the maths in the below-given picture equation?

I am white when I am dirty, and black when I am clean. What am I?

What does a man do only once in his lifetime, but women do once a year after they are 29?

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

Be active and find the killer in the picture Riddle below.

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

I am an odd number. Take away a letter and I become even. What number am I?

What number when divided in half becomes zero?