There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

How can you make number one disappear by adding something to it?

Through your logical capabilities, can you make 7 an even?

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

What is it?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

How many triangles are there on the puzzle below?

Usually, a boxing match consists of twelve rounds. In a particular friendly match between two heavyweights, the match was finished in the ninth round itself as one of the boxers knocked out the other one.

But, in that fight, no man threw even a single punch.

How can this be possible?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?