Question
A box contains 4 red, 5 blue and 3 green balls. Two balls are drawn at random without replacement. Find the probability that both balls are of the same colour.
More Probability Questions
- The probability of selecting a rotten egg randomly from a basket of 1200 eggs is 0.22. What is the number of rotten eggs in the basket?
- A piggy bank contains six 50 paise coins, nine Rs. 1 coin, and twelve Rs. 2 coins. One of the coins from the piggy bank fell and got lost. Find the probabi...
- A bag contains 5 green balls, 3 black balls, 4 red balls and 6 blue balls. Ram bets that he will pick two balls at random without replacement and both will...
- A bag contains 5 red, 4 blue and 3 green balls (12 balls in total). Two balls are drawn at random without replacement. Find the probability that both balls...
- There are 2 boxes. Box A contains 6 gums and 4 candies and Box B contains 3 gums and 7 candies. If a box is selected at random and 2 things are drawn out o...
- A bag contains 3 black and 9 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
- A bag contains 8 white and some black balls. If the probability of drawing a black ball from the bag is twice that of drawing a white ball, find the number...
- Find the probability of selecting a numbered red card (from 2 to 10) from a well shuffled deck.
- A bag contains 9 blue, 12 yellow and 15 black balls. Two balls are randomly drawn from the bag, what is the probability that a blue and a yellow ball are d...
- A class has 36 students, including 12 girls and the …… boys. If …… girls leave the class, the probability of randomly selecting a boy becomes 4/5. Which ...
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)