What is the coolest letter in the alphabet?

What number divided by 4 is the same as that number minus 4?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?