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

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

Asked by Neha on 30 Jan 2026


The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

Asked by Neha on 09 Aug 2023

People make me, save me, change me, raise me. What am I?

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A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

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The dirtier I get, the whiter I look. Who am I?

Asked by Neha on 12 Jan 2026

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

Oscar-Winning Movie

Asked by Neha on 06 Nov 2024


Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

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Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

Easy Movie Rebus Riddle

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Which Travels Faster? Solve below famous picture riddle:

Which Travels Faster

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Find the number of squares in the below-given picture.

Count The Number Of Squares

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Amazing Facts

Artificial Intelligence

Artificial Intelligence has crushed all human records in the puzzle game “2048,” achieving a high score of 839,732 and beating the game in only 973 moves without using any undo.