Number Trivia

Can you find out which number multiplied by itself will give the output as 12345678987654321?




Similar Riddles

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

Asked by Neha on 24 Dec 2023


What does below pictogram mean?

Compile the Pictogram

Asked by Neha on 11 Aug 2021

What has lots of eyes, but can’t see?

Asked by Neha on 20 Feb 2022


John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

Asked by Neha on 30 Mar 2025

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

Asked by Neha on 01 Apr 2022

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

Asked by Neha on 10 Oct 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

When monkey rotate the gear, which mark will be hit 1 or 2 ?

Monkey Gear riddle

Asked by Neha on 30 Apr 2021

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

Asked by Neha on 06 Jan 2024


I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Asked by Neha on 08 Jun 2023

Hot Articles

Amazing Facts

Gambling

In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.