How good are you at analyzing data and solving math problems? Test your skills with this simple math riddle.
In a certain city, 5% of all the people in town have unlisted phone numbers.
If you at random select 100 names from that city’s phone directory, how many people selected will have unlisted phone numbers?
If you get the correct answer, share it with your friends on WhatsApp, Facebook and other social networking sites.
Answer is none as unlisted numbers will not be there in the city’s phone directory.