Interview Preparation
- Interview Preparation For Software Developers
- Must Coding Questions - Company-wise
- Must Do Coding Questions - Topic-wise
- Company-wise Practice Problems
- Company Preparation
- Competitive Programming
- Software Design-Patterns
- Company-wise Interview Experience
- Experienced - Interview Experiences
- Internship - Interview Experiences
Commerce
- Commerce
- Class 11 Accountancy Notes
- Class 12 Accountancy Notes
- Accountancy
- Class 11 Business Studies Notes
- Class 12 Business Studies Notes
- Business Studies
- Class 11 Microeconomics Notes
- Class 11 Statistics For Economics Notes
- Class 12 Macroeconomics Notes
- Class 12 Indian Economic Development Notes
- Economics
- Management
- Income Tax
- Finance
GATE | GATE CS 2021 | Set 2 | Question 43
A bag has r red balls and b black balls. All balls are identical except for their colours. In a trial, a ball is randomly drawn from the bag, its colour is noted and the ball is placed back into the bag along with another ball of the same colour. Note that the number of balls in the bag will increase by one, after the trial. A sequence of four such trials is conducted. Which one of the following choices gives the probability of drawing a red ball in the fourth trial?
(A)
A
(B)
B
(C)
C
(D)
D
Answer
Please comment below if you find anything wrong in the above post
Feeling lost in the world of random DSA topics, wasting time without progress? It's time for a change! Join our DSA course, where we'll guide you on an exciting journey to master DSA efficiently and on schedule.
Ready to dive in? Explore our Free Demo Content and join our DSA course, trusted by over 100,000 geeks!
Last Updated :
Share your thoughts in the comments
GeeksforGeeks