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

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

What word is pronounced the same if you take away four of its five letters?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

Can you count the number of blocks in the picture below?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

Decode below rebus
D
N
A
T
S , D

Replace the question mark in the picture below.