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?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

Which alphabet is a part of our body?

Count the number of triangles in the below picture?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

O_er_t_o_

Complete the missing letters of the given word.

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?