Hard Series

What is the next number in this series?

4,12,84,3612....




Similar Riddles

What is red and smells like blue paint?

Asked by Neha on 22 Jul 2025


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.

Asked by Neha on 20 Apr 2025

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

Chess Board Puzzle

Asked by Neha on 10 Oct 2025


What goes up but never comes down?

Asked by Neha on 11 May 2022

A father is locked up in jail. His wife has gone bankrupt. Their male child has to sell his hotel in order to gain some money. Yet their girl child does not care and is quite happy.

How can someone be so rude?

Asked by Neha on 30 Nov 2023

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

Asked by Neha on 22 Jun 2025


What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

Asked by Neha on 15 Sep 2025

On 26-01-2022, Juli was murdered at her house in a city in India in the afternoon. There were three suspects in the murder and the following are the statements that were given by them:

John: I visited my village that day.
Jacob: I was out to deposit my house tax in the municipality office at that time.
Jonny: I was at a friend's place having lunch at that time.

Can you find out who is the murderer?

Asked by Neha on 15 Dec 2023

Prove that twice of ten is the same as twice of eleven.

Asked by Neha on 26 Feb 2025


If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Asked by Neha on 25 Sep 2023

Hot Articles

Amazing Facts

Out of the Box

The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.