top button
Flag Notify
    Connect to us
      Facebook Login
      Site Registration

Facebook Login
Site Registration

Two numbers are randomly selected from 3, 4, 7, 8 and 9. What is the probability that product of these 2 is even?

0 votes
109 views
Two numbers are randomly selected from 3, 4, 7, 8 and 9. What is the probability that product of these 2 is even?
posted Jan 5, 2017 by anonymous

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

1 Answer

0 votes

there are three odd and two even numbers. the probability of the product being odd is when both are odd. this probability is 3C2/5C2=6/20 or 3/10. Hence the probability of product being even is 1-3/10=7/10

answer Jan 5, 2017 by Kewal Panesar
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
...