What a Math

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




Similar Riddles

There are two beautiful yet remote islands in the South Pacific. The Islanders born on one island always tell the truth, and the Islanders from the other island always lie.
You are on one of the islands and meet three Islanders. You ask the first which island they are from in the most appropriate Polynesian tongue, and he indicates that the other two Islanders are from the same island. You ask the second Islander the same question, and he also indicates that the other two Islanders are from the same island.
Can you guess what the third Islander will answer to the same question?

Asked by Neha on 03 Jan 2026


Count the number of triangles in the given picture.

Find out triangles

Asked by Neha on 28 Mar 2025

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

Asked by Neha on 27 Apr 2022


Which is faster, Heat or Cold ? Explain.

Heat or Cold ?

Asked by Neha on 23 Mar 2021

What word is represented by this rebus?

Mary Mary Rebus riddle

Asked by Neha on 29 Apr 2021

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

Asked by Neha on 09 Jul 2021


A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

Asked by Neha on 13 Dec 2020

Can you find the key in the picture below?

Find the Key

Asked by Neha on 07 Apr 2024

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Asked by Neha on 31 Dec 2020


Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.


Find Bus Direction

Asked by Neha on 17 May 2021

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Amazing Facts

Word ladder puzzle

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