Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

I shave every day, but my beard stays the same. What am I?

Can you make a six-letter word using the letters N, A and B ?

What's the best place to go shopping in the ocean?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

In which direction should the missing arrow point?

A time long back, there lived a king who ruled the great kingdom of Trojan House. As a part of the renovation of the kingdom to meet future security needs, he asked his chief architect to lay down a new play in a manner that all of his 10 castles are connected through five straight walls and each wall must connect four castles together. He also asked the architect that at least one of his castles should be protected with walls. The architect could not come up with any solution that served all of King's choices, but he suggested the best plan that you can see in the picture below. Can you find a better solution to serve the king's demand?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

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