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

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

Asked by Neha on 27 May 2025


A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

Asked by Neha on 25 Mar 2022

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

Asked by Neha on 11 Oct 2023


The centre of the third figure is empty. What digit should fit inside?

Missing Digit Riddle

Asked by Neha on 24 Jan 2024

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

Asked by Neha on 13 Jan 2026

Can you solve the below rebus?

Solve the Rebus Riddle

Asked by Neha on 20 May 2026


A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

Asked by Neha on 31 May 2024

There is something which you can be arrested for attempting but not for successfully completing.

Asked by Neha on 30 Apr 2024

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Asked by Neha on 20 Aug 2024


Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

Chess Rebus Riddle

Asked by Neha on 19 Dec 2020

Hot Articles

Amazing Facts

Artificial Intelligence

Artificial Intelligence has crushed all human records in the puzzle game “2048,” achieving a high score of 839,732 and beating the game in only 973 moves without using any undo.