What question can you never answer yes to?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

How can a man go eight days without sleep?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

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

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?