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

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

Asked by Neha on 11 May 2021


How can you write nineteen in a manner that if we take out one, it becomes twenty?

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Count the number of squares in the picture below.

Count The Magic Squares

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A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

Asked by Neha on 13 Oct 2023

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

Asked by Neha on 19 Mar 2023

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

Asked by Neha on 04 Mar 2022


I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Asked by Neha on 15 Mar 2022

Spot the 3 Differences in the given Picture.

Spot the 3 Differences

Asked by Neha on 20 Sep 2026

In a Society, there are over 100 flats.

Flat 1 is named the first flat.
Flat 2 is named the second flat.
Flat 3 is named the third flat. And So On.....

A visitor decides to walk through all the flats, and he finds all the flats except flat 62.
Anmol later founds that the locals of the town have given it another name.

What is the name of the Flat?

Asked by Neha on 05 Jun 2024


What is 3/7 chicken, 2/3 cat and 2/4 goat?

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Amazing Facts

Challenging

There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.