There is an ancient kingdom where every married woman keeps information regarding the fidelity of other men. However, what they don't know is the fidelity of their own husbands. Also, there is an ancient belief that they don't tell each other about the fidelity of their husbands.

On a certain day, the queen of the kingdom declares that she has identified at least one unfaithful man in the kingdom. She allows the wives to identify and gives them authority to kill their husbands if they are unfaithful at midnight.

How will the wives manage it?

Using Only Five 5's and any mathematical operator make sum as 37

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

The answer I give is yes, but what I mean is no. What was the question?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

What can you deduce from the following BrainBat?

CRY
LMKI

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