I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

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?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

A man is sitting in a bar when a rich man sits next to him. He turns to the rich man and says, “Did you know I know almost every song that has ever existed?”

The rich man laughs. The man then says, “I bet you all the money you have in your wallet that I can sing a genuine song with a lady’s name of your choice in it. The rich man laughs again and says, “OK, how about my daughter’s name, Jamie Armstrong-Miller?” Minutes later, the man collects his cash and the rich man goes home cashless. What song did the man sing?

Which word does the below Plexor means ?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

What brings you down but never up?

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?