John was visiting his friend Jacob. He found out that his friend's wife had just killed a burglar in self-defense.
John asks Jacob about what happened and he told that "His wife was watching television when suddenly the bell rang. She thought that it is her husband Jacob but she found the burglar who attacked her instantly and she got so frightened that she killed the burglar immediately with the knife.
John asked the police to arrest his friend's wife. Why?

Forwards I am heavy, backward I am not. What am I?

What does this mean?

CCCCCCC

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

Find the number of squares in the below-given picture.

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

An ape is trying to climb on a pole that is 60 feet high. Due to the slippery surface, the ape climbs 3 feet in a minute only to slip back 2 feet.

How much time do you think the monkey will take to reach the top of the pole?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.