Number Trivia

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




Similar Riddles

A Japanese ship was en route to a mission on foreign seas. The captain of the ship felt tired and thought of taking a bath. He went for taking the shower and removed his diamond ring and Rolex and kept them on the table. When he returned after taking the bath, he found that the ring and watch were stolen.

He called the five members of the crew whom he suspected and asked them what they were doing for the last 15 minutes.

The Italian cook (with a butcher knife in hand): I was in the fridge room getting meat for cooking.

The British Engineer (with a high beam torch in hand): I was working on a generator engine.

The Pakistani seaman: I was on the mast correcting the flag which was upside down by mistake.

The Indian Radio officer: I was trying to make a contact with the company to inform them about our position.

The American navigation officer: I am on night watch, so I was sleeping in my cabin.

Upon listening to them, the captain caught the lying member. Who do you think stole the valuables?

Asked by Neha on 10 Apr 2024


Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Asked by Neha on 17 May 2021

Why do we preferably have round manhole covers and not square ones?

Asked by Neha on 22 Apr 2024


What is the next shape from answers A, B, C, and D figure?

Next Shape Riddle

Asked by Neha on 20 Jan 2024

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

Asked by Neha on 23 Jun 2024

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

Asked by Neha on 01 Aug 2023


John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?

Asked by Neha on 28 Sep 2023

Can you find out the number of the parking space in which the car is parked?

Parking Space Riddle

Asked by Neha on 07 May 2026

Can you count the number of triangles in the given figure?

Count the Triangles

Asked by Neha on 03 Jan 2021


How can a man go eight days without sleep?

Asked by Neha on 11 Mar 2024

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Jigsaw puzzles

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