Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

I’m orange, I wear a green hat and I sound like a parrot. What am I?

Our product and our sum always give the same answer. Who are we?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

Which is heavier: a ton of bricks or a ton of feathers?

Can it be possible to build a house that has all its four walls facing towards the South?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

Can you solve this picture maths equation?

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?