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

Be active and find the killer in the picture Riddle below.


Who is Killer

Asked by Neha on 17 May 2021


John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Asked by Neha on 09 Apr 2025

Five lovely ladies(Sophia, Isabella, Madison, Emma and Olivia) planned a picnic.

They each buy one thing each for the picnic.

Sophia, Emma and Olivia got a drink : orange-Juice, apple-juice, and mango-juice.
Olivia got the drink with the same letter as the one in her first name.
Emma loves mango-juice.
The other two bring some food : chocolates and pizza.
Also Madison is allergic to cheese.

So which ladies bought what ?

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A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

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Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

Asked by Neha on 14 Nov 2024

Solve the counting riddle by identifying the number of triangles in the given picture.

Count the Triangle Riddle

Asked by Neha on 26 Feb 2026


You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

Tennis Balls Riddle

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Can you find the hidden animal in the picture below?

Find Animal In Picture Riddle

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A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

Asked by Neha on 03 May 2024


In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

Asked by Neha on 16 May 2024

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Amazing Facts

No Solution

In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki