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?

Find the hidden tiger in the given optical illusion ?

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

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

Different lights make me strange by changing me into different sizes. What am I?

What word is represented by this rebus?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?