What a Math

If 21x = 79x, what is the value of x?




Similar Riddles

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

Asked by Neha on 24 Sep 2023


'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

Asked by Neha on 28 Apr 2025

There were five men at church, and it started raining while they were outside. The four that ran still got wet, but the one that was still stayed completely dry. Why did he stay dry?

Asked by Neha on 19 Jun 2025


You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Asked by Neha on 16 May 2022

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

Asked by Neha on 08 Feb 2021

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Asked by Neha on 18 Feb 2024


Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

Asked by Neha on 12 Dec 2024

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

Asked by Neha on 12 Feb 2024

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Asked by Neha on 09 May 2024


Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

Asked by Neha on 08 Jan 2021

Hot Articles

Amazing Facts

Jigsaw puzzles

Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.