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

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

Rectify the following equality 101 - 102 = 1 by moving just one digit.

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo

Bay of Bengal is in which state?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.