Q. 104.3( 4 Votes )
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn bears a number which is a multiple of 3?
Answer :
Total numbers of elementary events are = 20
Let E be the event of drawing a multiple of 3
The favorable outcomes are: 3, 6, 9, 12, 15, 18
Total numbers of favorable outcomes are = 6
P (multiple of 3) = P (E) = 6/20 =3/10
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Smart Revision | Quiz on Probability37 mins
NCERT | How Probability Can Help You Score Marks?44 mins
Introduction to Probability53 mins
NCERT | Quiz on Probability47 mins
Quiz | Imp. Qs. of Probability37 mins
Solve RD Sharma Problems 2x Faster30 mins
Let's understand Probability40 mins
When Chance is called Probability48 mins
Smart Revision | Quiz on Probability37 minsNCERT | How Probability Can Help You Score Marks?44 minsIntroduction to Probability53 minsNCERT | Quiz on Probability47 minsQuiz | Imp. Qs. of Probability37 minsSolve RD Sharma Problems 2x Faster30 minsLet's understand Probability40 minsWhen Chance is called Probability48 minsTry our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
view all courses
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
