I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

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

When is the top of a mountain similar to a savings account?

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

How can a man go eight days without sleep?

What has 88 keys?

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?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?