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

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Asked by Neha on 09 May 2024


Sharpest vision can find the lamp in the desert. Are you one of them? Test your observation skills now!

find the lamp in the desert

Asked by Neha on 07 Sep 2026

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Asked by Neha on 01 Mar 2022


Why are all black people so quick ?

Asked by Neha on 05 Jan 2021

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

Can you solve the maths in the below-given picture equation?

Maths Picture Puzzle

Asked by Neha on 06 Sep 2023


Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

Asked by Neha on 15 Oct 2024

What is the word or phrase?

What is the phrase?

Asked by Neha on 04 Oct 2024

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

Asked by Neha on 20 Aug 2025


In a university, a professor gave a set of three problems to the three brilliant students of his class. See the image for the questions.

Brilliant students Riddle

Asked by Neha on 02 Jul 2026

Hot Articles

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.