Question
A box contains 'y' blue balls and 4 yellow balls. If the probability of getting a blue ball is 2/3, then find the probability of getting different coloured balls when two balls are drawn randomly from the box.
More Probability Questions
- An instructor has a question bank consisting of 200 easy True / False questions, 300 difficult True / False questions, 400 easy multiple-choice questions a...
- 27 defective printers were kept with 81 non-defective printers. One printer is picked at random. Find the probability that the printer is defective.
- A basket contains ‘x’ mangoes, 5 apples and 3 guavas. The probability of picking 2 mangoes at random is (1/10). If 2 fruits are picked at random from the b...
- A person wanted to visit four places Chennai, Bangalore, Delhi, and Mumbai in one trip. Find the probability of the person visiting Chennai immediately bef...
- A bag contains a few red balls and 2 green balls. Two balls are drawn randomly without replacement. The probability that both balls are red is (2/5). What ...
- In a basket, there are (x + 7) red balls, ‘x’ blue balls, and (x + 3) black balls. If the probability of picking two blue balls at random is (1/28), then f...
- Three cards are drawn randomly from a pack of 52 cards. What is the probability that one will be black and two will be red?
- A box contains 6 red, 5 green, and 4 blue balls. Two balls are drawn randomly. What is the probability that they are of different colors?
- A jar contains 9 purple balls, 6 brown balls and 5 orange balls. Two balls are taken at random. What is the probability that at least one of them is orange...
- A bag contains ‘x’ red balls and 2 green balls. If the probability of getting a red ball is 7/9, then find the probability of getting different coloured ba...
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)