NCERT Solutions for Class 10 Maths Chapter 15

Important NCERT Questions

PROBABILITY

NCERT Books for Session 2022-2023

CBSE Board and UP Board Others state Board

EXERCISE 9.1

Page No:308

Questions No:8

# A bag contains 3 red balls and 5 black balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is (i ) red ? (ii) not red?

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(i) Total number of balls in the bag = 8

Probability of getting a red ball = (Number of favorable outcomes)/(Number of total possible outcomes) = 3/8

(ii) Probability of not getting red ball = 1

Probability of getting a red ball = 1 – 3/8 = 5/8