top button
Flag Notify
    Connect to us
      Facebook Login
      Site Registration

Facebook Login
Site Registration

What will be the probability of one ball is white & other is green?

+1 vote
133 views

3 red, 2 white and 3 green balls are available in a bag. 2 balls are drawn one by one from the bag.

What will be the probability of one ball is white & other is green?

posted Mar 3, 2015 by anonymous

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

1 Answer

–1 vote

Probability of first ball having white color = 3/8
and that of second ball having green color = 3/7
so probability = 2/8 * 3/7 = 6/56
no of methods to make arrangement = 2*1 = 2 (WG and GW)
so net probability = 6/56 * 2 = 12/56 = 3/14

answer Mar 4, 2015 by Ankur Athari



Similar Puzzles
+1 vote

A bag has 100 balls out of which there is one green ball. 50 balls are randomly selected. What is probability that the green ball is selected.

+1 vote

In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?

+1 vote

A bag contains 5 white, 4 red and 3 black balls. A ball is drawn at random from the bag, what is the probability that it is not black?

0 votes

There are two bags. First contain 10 white balls and other contain 8 red balls. One ball from any bag shifted to other bag at random.
What will be the probability the second ball taken after first event would be red ?
First event is to drawn first ball.

0 votes

A speaks truth in 70% cases and B in 80% cases. What will be the probability that they will contradict each other in describing a single event?

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
...