Before Mount Everest was discovered, what was the highest mountain in the world?

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

I travel all around the world but always stay in the corner. What am I?

Why do people go to bed?

Count the squares in the matchstick puzzle below?

You need to move three matchsticks to form three squares. Can you do it?

I look at you, you look at me, I raise my right, you raise your left. What am I?

It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?

A man fell off a smuggling boat into deep water. He could not swim and he was not wearing anything to keep him afloat. It took 30 minutes for the people on the boat to realize someone was missing. The missing man was rescued two hours later on the return trip. Why didn't he drown? Note:- He didn't know swimming, the sea was deep, and He wasn't holding anything

You can see three almost identical images below. Can you spot the odd one out from them?