Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • Need Solution for R.D.Sharma Maths Class 12 Chapter 30 Probability Exercise 30.5 Question 31 Sub Question 3 Maths Textbook Solution.

Need Solution for R.D.Sharma Maths Class 12 Chapter 30 Probability  Exercise 30.5 Question 31 Sub Question 3 Maths Textbook Solution.

Answers (1)

Answer:\frac{17}{32}

Hint: You must know the rules of finding probability functions.

Given: Bag contain 3 blue and 5 red marbles

Solution:

Total no. of marbles =8 marbles

\begin{aligned} &P(\text { same colour })=P(\text { both red })+P(\text { both blue }) \\ &=\frac{5}{8} \times \frac{5}{8}+\frac{3}{8} \times \frac{3}{8} \\ &=\frac{25+9}{64} \\ &=\frac{34}{64}=\frac{17}{32} \end{aligned}

    

Posted by

infoexpert21

View full answer

Crack CUET with india's "Best Teachers"

  • HD Video Lectures
  • Unlimited Mock Tests
  • Faculty Support
cuet_ads

Similar Questions

Trending Articles/News

anam-khan

PM Modi's Pariksha Pe Charcha 2025 to be held next month, registrations open till January 14
anam-khan

CBSE Board Exams 2025: Online portal for availing exemptions by CWSN students opens
anam-khan

Board Exams: States agree to equivalence; no question paper ‘jumbling’ from next year, says PARAKH CEO

Latest Question