Count the number of lines in the image below ?

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

If six children and two dogs were under an umbrella, how come none of them got wet?

What does it mean?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?

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?

Find the missing letter in the last circle logically in the given below picture.

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

What came first, the chicken or the egg?