Question
A bag contains 5 red, 4 blue and 3 green balls. Two balls are drawn simultaneously at random. What is the probability that both balls are of the same colour?
More Probability Questions
- A piggy bank has seven 25 paise coins, five Rs. 2 coins, and thirteen Rs. 5 coins. One of the coins fell and got lost. Find the probability that the lost c...
- A bag has balls of three colours. It has 8 red balls, x green balls and y blue balls, If probability of picking one green ball and that of picking one blue...
- Two fair dice are thrown. What is the probability that the sum is a prime number?
- In a basket, the ratio of the number of yellow and black marbles is 4:5, respectively, and the ratio of black to white marbles is 5:6. If the total number ...
- A box contains only three colors of balls- red, green and blue. What is the minimum number of balls that should be picked from the box to ensure that at le...
- Three persons i.e. ‘X’, ‘Y’ and ‘Z’, are given the same puzzle to solve. The probability that ‘X’, ‘Y’ and ‘Z’ will solve the puzzle is (4/7), (2/5) and (1...
- A black and a red dice are rolled. Find the conditional probability of obtaining a sum greater than 9, given that the black die resulted in a 5.
- 35 defective headphones got packed with 105 non-defective headphones. A customer randomly chooses one headphone. Find the probability that it is defective.
- A box contains 5 red, 4 blue and 3 green balls. Two balls are drawn at random without replacement. Find the probability that the two balls are of different...
- Two cards are drawn from a pack of 52 cards. The probability that 1 is Ace and 1 is Queen is?
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)