Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Spot what is wrong here in below Picture?

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 ?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

What is more useful when it is broken?

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?