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

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

Asked by Neha on 09 May 2025


A wealthy man lives alone in a small cottage. Being partially handicapped he had everything delivered to his cottage. The mailman was delivering a letter one Thursday when he noticed that the front door was ajar. Through the opening he could see the man's body lying in a pool of dried blood. When a police officer arrived he surveyed the scene. On the porch were two bottles of warm milk, Monday's newspaper, a catalog, flyers, and unopened mail. The police officer suspects it was foul play. Who does he suspect and why?

Murder Mystery Puzzle

Asked by Neha on 07 Apr 2021

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

Asked by Neha on 28 May 2023


What is the next number in this matchsticks series riddle?

Next Number In Matchstick Series

Asked by Neha on 27 Apr 2021

Which is the correct shadow of the bird?

Correct Shadow Riddle

Asked by Neha on 23 Aug 2021

Can you write down eight eights so that they add up to one thousand?

Asked by Neha on 02 Apr 2022


Can you identify the famous TV character from the rebus below?

Uncover TV character

Asked by Neha on 22 Nov 2023

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

Asked by Neha on 17 Nov 2024

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

Asked by Neha on 11 Jul 2023


A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?

Asked by Neha on 18 Oct 2021

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Amazing Facts

Gambling

In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.