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

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

Asked by Neha on 30 Sep 2025


In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

Asked by Neha on 20 Nov 2025

Keyboard words are not in alphabetical order, Why?

Asked by Neha on 26 Jul 2023


What is the next number in this series?

4,12,84,3612....

Asked by Neha on 18 Mar 2023

I have branches, but no fruit, trunk or leaves. What am I?

Asked by Neha on 18 May 2022

Why do Chinese men eat more rice than Japanese men do ?

Asked by Neha on 02 Sep 2021


Decode the movie name from the below picture?

Movie Rebus

Asked by Neha on 26 Aug 2023

Solve this riddle by finding the odd one out from the rest.

Odd One Out in the Shapes Riddle

Asked by Neha on 18 Apr 2021

what does this below rebus represent identXQQQQQME

Rebus representation

Asked by Neha on 29 Jan 2025


How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Asked by Neha on 07 Sep 2023

Hot Articles

Amazing Facts

Jigsaw puzzles

Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.