Which alphabet is a part of our body?

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

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

A word I know has six letters it contains, remove one letter and 12 remain. What is it?