Mathematical Fraction

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()




Similar Riddles

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

Asked by Neha on 16 Oct 2024


What do you see in the given picture?

Are you Intelligent ?

Asked by Neha on 17 May 2021

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

Asked by Neha on 23 Aug 2024


How many times do a clock's hands overlap in a day ?

Clock Hand Overlapping

Asked by Neha on 31 Mar 2021

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?

Asked by Neha on 12 Apr 2024

Solve this riddle by finding the odd one out from the rest.

Odd One Out in the Shapes Riddle

Asked by Neha on 18 Apr 2021


I look at you, you look at me, I raise my right, you raise your left. What am I?

Asked by Neha on 17 May 2021

What do you answer even though it never asks you questions?

Asked by Neha on 12 Oct 2021

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

Asked by Neha on 17 May 2021


You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

Fill The Grid

Asked by Neha on 22 Sep 2025

Hot Articles

Amazing Facts

Gamers

In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.