9 in 1 to 100

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?




Similar Riddles

In a town, there are over 100 flats.
Flat-1 is named first flat.
Flat-2 is named second flat.
Flat-3 is named third flat.

A visitors 'Victor' decides to walk through all the flats, he finds all the flats except flat-62.
Victor later founds that the local of the town have given it another name.

What is the name of the Flat?

Asked by Neha on 05 May 2021


Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

Asked by Neha on 27 Aug 2021

Whats the next number in the below number sequence pattern.

Picture Pattern Riddle

Asked by Neha on 12 Nov 2025


What can go up a chimney down, but can’t go down a chimney up?

Asked by Neha on 12 Jul 2025

Which English verb becomes past tense just by rearranging the letters?

Asked by Neha on 07 Sep 2025

Can you solve this picture maths equation?

Easy Maths

Asked by Neha on 09 Jun 2023


Count the number of balls in picture below:


Count The Balls

Asked by Neha on 21 May 2021

Solve the counting riddle by identifying the number of triangles in the given picture.

Count the Triangle Riddle

Asked by Neha on 26 Feb 2026

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Asked by Neha on 21 Feb 2026


What can you serve, but never eat?

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