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 want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

Asked by Neha on 30 Sep 2023


It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Asked by Neha on 06 Feb 2024

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

Asked by Neha on 02 May 2025


Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Asked by Neha on 20 Jul 2023

Which digit occurred maximum times between the number 1 and 1000?

Asked by Neha on 13 Oct 2025

Can it be possible to build a house that has all its four walls facing towards the South?

Asked by Neha on 20 May 2024


If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

Asked by Neha on 24 Sep 2023

It is always ahead of me yet I can never see it. What is it?

Asked by Neha on 01 Apr 2023

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

Dog and Visitor Riddle

Asked by Neha on 06 Apr 2021


Can you count the number of blocks in the picture below?

Count The Blocks

Asked by Neha on 13 Jan 2025

Hot Articles

Amazing Facts

Crossword

The day before the 1996 U.S. presidential election, the NYT Crossword contained the clue “Lead story in tomorrow’s newspaper,” the puzzle was built so that both electoral outcomes were correct answers, requiring 7 other clues to have dual responses.