You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

Solve the puzzle by telling what does below picture means.

Who is that with a neck and no head, two arms and no hands? What is it?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

People put me on the table and cut me but do not eat me. What am I?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Two friends Smith and Andrew were talking about the bravery of their families. Smith told great stories about his courageous grandfather who fought for Britain in "World War I". Andrew told that his grandfather was so brave that in 1919 just after the war he was honoured with a bravery medal with the words "For our Courageous Soldiers In World War I" embedded into it. Smith knows that his friend is lying. How?

What Deficiency does the below rebus represent?

VIT_MIN

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?