It is always ahead of me yet I can never see it. What is it?

When can we add 2 to 11 and get 1 as the correct answer?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

I have Rs.50 and I spend it in the way as below.

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

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 ?

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

You can hear me, but you can't touch or see me.

What am I?

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?