ExamCompetition Forum Question Papers Ask A Question Mock Test Learn & Earn Sign Up Login Menu



0 vote

 A basket contains 5 blue, 4 green and 3 red ball. If three balls are picked at random, what is the probability that at least one is red ?

Asked on by | Votes 0 | Views: 104 | Tags: quantitative aptitude     | number system     | Add Bounty

 A basket contains 5 blue, 4 green and 3 red ball. If three balls are picked at random, what is the probability that at least one is red ?

A). 31/58

B). 32/51

C). 34/55

D). 37/52


Share on Facebook      Share on Whatsapp       Share on Twitter




1 answers

0 vote
Answered by on | Votes 0 |

34/55



Probability of having no red ball is
9C3 / 12C3 = 21/55
Probability of having at least one red ball is 1 - 21/55 = 34/55

Join Telegram Group




Answer This Question

Name:
Email:
Answer :
Sum of (1+1)
Submit: