Unlisted Phone Number

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?




Similar Riddles

Can you start the fire using two pieces of wood?

Asked by Neha on 04 Sep 2024


Aman has 1.15 rupees in his pocket. There are a total of 6 coins in his pocket.

When his friend asked him for a change, he could not give change for a rupee and five paisa.

Can you tell which coins he has?

Asked by Neha on 06 Apr 2026

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Word from nine Letters

Asked by Neha on 21 Dec 2023


Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

Asked by Neha on 01 Mar 2021

What is the centre of gravity?

Asked by Neha on 10 Nov 2023

Out of four images which one is the odd one out?

Odd one out

Asked by Neha on 02 Oct 2023


The pound is not a finish.

We are sharing a few instructions below, which you have to use in any suitable order to modify the above sentence such that the end sentence is a scientific fact.

- Eliminate a letter and supplement another in its place.
- Take away one word.
- Remove one letter from one word.
- Get rid of two letters from one word.
- Swap a word with its antonym.

Asked by Neha on 03 May 2025

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

Asked by Neha on 13 Mar 2023

Which number should replace the question mark?

Triangular Logic

Asked by Neha on 11 Aug 2023


In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

Asked by Neha on 04 Nov 2024

Hot Articles

Amazing Facts

Challenging

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