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?

Which tank will fill first?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

Find the hidden tiger in the given optical illusion ?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

How many sides does a circle have?

Can you find out the total number of triangles in the given figure?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?