Roundoff Riddle

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.




Similar Riddles

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

Dots on Lines

Asked by Neha on 11 Nov 2023


Can you solve the below geography rebus by decoding the below rebus ?

States Puzzle

Asked by Neha on 08 Dec 2025

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

Asked by Neha on 14 Jan 2025


Identify the 10 differences between the two given pictures.

Pictures to Identify

Asked by Neha on 22 Dec 2023

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Asked by Neha on 18 Jan 2025

What is always in front of you but can’t be seen?

Asked by Neha on 10 May 2022


In the picture given below, can you find out which digit will take place of the question mark?

Replace the Question Mark

Asked by Neha on 10 Nov 2025

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

Asked by Neha on 24 Jan 2023

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

Asked by Neha on 11 Jul 2024


When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Asked by Neha on 10 Oct 2021

Hot Articles

Amazing Facts

No Solution

In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki