Square Root 12345678987654321

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?




Similar Riddles

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Asked by Neha on 23 May 2021


One of the leprechaun is missing if you see the two pictures attached to this question. Where did he go? When he comes back, do you know where has he been?

Leprechaun Puzzle

Asked by Neha on 26 Apr 2026

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

Asked by Neha on 29 Aug 2024


I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

Asked by Neha on 30 Jan 2024

If eleven plus two equals one, what does nine plus five equal?

Asked by Neha on 28 Mar 2022

what one word does the below rebus identifies?

Read Picture Rebus

Asked by Neha on 15 May 2025


A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

Asked by Neha on 03 Mar 2022

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Asked by Neha on 12 Feb 2022

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

Asked by Neha on 18 Aug 2024


What is red and smells like blue paint?

Asked by Neha on 22 Jul 2025

Hot Articles

Amazing Facts

Crossword puzzles

In the 1920s, people feared that crossword puzzles would contribute to illiteracy.