top button
Flag Notify
    Connect to us
      Facebook Login
      Site Registration

Facebook Login
Site Registration

In a certain city, 5% of all the persons in town have unlisted phone numbers. If you select 100 names at random.........

+1 vote
325 views

In a certain city, 5% of all the persons in town have unlisted phone numbers. If you select 100 names at random from that city's phone directory, how many people selected will have unlisted phone numbers?

posted Aug 24, 2016 by Rahul Chandel

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer

+2 votes
 
Best answer

Nice try :) !!! Those names are listed, hence can be selected. So the answer is 0.

answer Aug 24, 2016 by Tejas Naik



Similar Puzzles
+2 votes

I have a stick of length 3 cm and I select 2 random points on it and break it at those points to get 3 pieces.

If the probability that these pieces will form a triangle is m/n where m and n are coprime integers then what is the value of m × n?

0 votes

The population of one town is 485200. If it increases annually at 5%, what will be its population 2 years hence. What was it 2 years ago?

Contact Us
+91 9880187415
sales@queryhome.net
support@queryhome.net
#280, 3rd floor, 5th Main
6th Sector, HSR Layout
Bangalore-560102
Karnataka INDIA.
QUERY HOME
...