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 next number in the series below

21 32 54 87 131 ?

What English word has three consecutive double letters?

Count the number of triangles in the below picture?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

What is the end of everything?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

Can you divide the below-given shape into four equal and identical pieces?