What a Math

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




Similar Riddles

There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.

How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?

Asked by Neha on 29 May 2023


Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Asked by Neha on 14 May 2021

Can you count the number of triangles in the picture below?

Count the Triangle

Asked by Neha on 11 Apr 2024


Can you write down eight eights so that they add up to one thousand?

Asked by Neha on 29 Sep 2021

Can you decipher the below rebus?

PBLUESAISNUERSES

Asked by Neha on 10 Aug 2023

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Asked by Neha on 23 Nov 2025


What demands an answer, but asks no questions

Asked by Neha on 23 Feb 2026

Can you find the dog hidden in a group of pandas?

Dog amongst Pandas

Asked by Neha on 16 Feb 2025

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

Asked by Neha on 23 Mar 2023


In a classic wine shop, the list of three most popular wines are:
- The cost of 1 French wine bottle: 500$
- The cost of 1 German wine bottle: 100$
- The cost of 20 Dutch wine bottles: 100$

John entered the wine shop and he needs to buy
- All three types of wine bottles.
- Needs to buy Dutch wine bottles in multiples of 20.
- Need to buy 100 wine bottles in total.

John has only 10000$. How many wine bottles of each type, John must buy?

Asked by Neha on 19 Aug 2023

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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.