Question
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?Solution
Total number of balls = 21 Probability of a ball is neither red nor green = 7C1 / 21C1 = 7/21
More Probability Questions
How many students from Delhi who got scholarship in the years 2013, 2014 and 2017 together?
What is the total number of students who got scholarship from Delhi in the year 2015 and who do not got scholarship from Assam in the year 2013?
What is the ratio of the total number of students who do not got scholarship in the years 2013 and 2015 from Delhi to same years from Assam?
The total number of students from Delhi who got scholarship is approximately what percent of the number of students from Assam who got scholarship in ye...