What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

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

Below rebus represent famous DiCaprio movie. Can you name it?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

What number should come in place of the question mark below?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?