Get Answers to all your Questions

header-bg qa

Explain Solution R.D. Sharma Class 12 Chapter 30 Probability  Exercise 30.5 Question 32 Sub Question 2 Maths Textbook Solution.

Answers (1)

Answer: \frac{16}{121}

Hint: You must know the rules of finding probability.

Given: Urn contains 7 red and 4 blue balls.

Two balls are drawn with replacement.

Solution:P(2 \text { blue balls })=\frac{4}{11} \times \frac{4}{11}=\frac{16}{121}

Posted by

infoexpert21

View full answer

Crack CUET with india's "Best Teachers"

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