Using eight eights and addition only, can you make 1000?

What does this Rebus Picture means ?

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

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

John bought 150 chocolates but he misplaced some of them. His Father asked him how many chocolates were misplaced.
He gave the following answer to him:
If you count in pairs, one remains
If you count in threes, two remain
If you count in fours, three remain
If you count in fives, four remain
If you count in sixes, five remain
If you count in sevens, no chocolate remains.

Can you analyze the statements and tell us how many chocolates were lost?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

Spot what is wrong here in below Picture?

What has many keys but can’t open a single lock?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?