LIVE Course for free

Rated by 1 million+ students
Get app now
+3 votes
in Mathematics by (128k points)

A jar contains 24 marbles, some are green and others are blue. If a marble is drawn at random from the jar, the probability that it is green is 2/3, Find the number of blue balls in the jar.

1 Answer

+3 votes
by (13.6k points)
Best answer

Solution: Total number of outcomes = 24

P (Green) = 2/3

If number of green balls is G then;

G/24 = 2/3

or, G = (24*2)/3 = 16

Hence, number of blue balls = 24 – 16 = 8

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.