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

It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?

I taste better than I can smell. Who am I?

What has a ring but no finger?

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?

Replace the question mark with the correct number.

'Ferrari driver' easily beats the 'force driver' in a two-car race. How did Indian newspapers truthfully report so to look as a 'force drive' had outdone the 'Ferrari driver'? Think!!!

Can you find a five letter word that is left with only two letters if one is removed?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?