What four weights can be used to balance from 1 to 30 pounds?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

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

Can you find the hidden animal in the picture below?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

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

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?