You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

A thief is convicted in Mexico. He gets the death penalty. The judge allows him to say the last sentence to determine how the penalty will be carried out. If the thief lies, he will be hanged, if he speaks the truth he will be beheaded. The thief tells the last sentence and to everybody's surprise some minutes later he is set free because the judge cannot determine his penalty. What did the thief say?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

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

What is it?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

What brings you down but never up?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Can you find out which number multiplied by itself will give the output as 12345678987654321?