Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

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 ?

I add 5 to 9 and get 2. The answer is correct, so what am I?

I always drive my customer away.

Who am I?

What number should come in place of the question mark below?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?