Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

What is the difference between a jeweller and a jailer?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

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

Identify the hidden meaning behind this picture?

I am an odd number. Take away a letter and I become even. What number am I?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.