If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

What can you deduce from the following BrainBat?

CRY
LMKI

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

Rearrange the letters in "new door" to make one word.

Can you tell a 3D object that has just two surfaces?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

What is the difference between a jeweller and a jailer?