Building Puzzle

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?




Similar Riddles

A detective visits his friend John just to discover that John's neighbour Dr Jacob was murdered. Dr Jacob, who is a mathematician wrote the murderer's name in a code word "Hcqtfz". There were five suspects
1. Ajit
2. Pankaj
3. Ganpat
4. Deenu
5. Hariya

The Detective was instantly able to find the murderer.
Can you?

Asked by Neha on 06 Jan 2026


I travel all around the world but always stay in the corner. What am I?

Asked by Neha on 09 Mar 2022

Can you spot the man between the coffee bean in the picture below ?

Spot the Man

Asked by Neha on 31 Aug 2021


What English word has three consecutive double letters?

Asked by Neha on 22 Jan 2023

Can you identify the Oscar-winning movie from the rebus below?

Oscar-Winning Movie

Asked by Neha on 06 Nov 2024

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

Asked by Neha on 12 Jul 2024


What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Asked by Neha on 03 Nov 2025

You bought me for dinner but never eat me. What am I?

Asked by Neha on 31 Aug 2025

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

Asked by Neha on 08 Feb 2021


Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

Asked by Neha on 01 Jun 2024

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Amazing Facts

Word ladder puzzle

The word ladder puzzle was invented by Lewis Carroll, author of Alice’s Adventures in Wonderland.