Making The Century

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?




Similar Riddles

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

Asked by Neha on 03 Mar 2024


The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

Asked by Neha on 23 Apr 2025

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

Asked by Neha on 30 Oct 2025


You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

Asked by Neha on 21 Feb 2021

Replace the question mark with the correct number.

Replace the question mark

Asked by Neha on 09 May 2023

The dirtier I get, the whiter I look. Who am I?

Asked by Neha on 12 Jan 2026


What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Asked by Neha on 20 Sep 2021

What does a man do only once in his lifetime, but women do once a year after they are 29?

Asked by Neha on 10 Aug 2025

What has 88 keys?

Asked by Neha on 09 Jul 2025


In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?

Asked by Neha on 14 May 2021

Hot Articles

Amazing Facts

No Solution

In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki