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

Take one out and scratch my head, I am now black but once was red. What am I?

Asked by Neha on 29 Jul 2025


A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

Asked by Neha on 05 Mar 2022

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Asked by Neha on 04 Oct 2025


What number should come in place of the question mark below?

Logical Number in Center

Asked by Neha on 27 Aug 2024

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

Asked by Neha on 05 Mar 2024

_ _ _ IE _ _
_ _ _ IE _
_ _ IE _ _
_ _ IE _
_ _ _ _ IE

Like you see, some letters have gone missing from these words that contain the IE pair at some or the other place. The letters that will be used to fill the blanks are given below. Use them and form meaningful words. Can you do that?

A, C, D, F, H, K, L, M, N, N, O, R, R, S, S, S, T, T, Y and Y.

Asked by Neha on 22 Jul 2021


If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

Asked by Neha on 08 Oct 2025

What is more useful when it is broken?

Asked by Neha on 30 Mar 2022

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Asked by Neha on 23 Sep 2024


I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Asked by Neha on 29 Jan 2021

Hot Articles

Amazing Facts

Word ladder puzzle

The word ladder puzzle was invented by Lewis Carroll, author of Alice’s Adventures in Wonderland.