Question
A box contains 5 red, 4 blue and 3 green balls. Two balls are drawn randomly without replacement. What is the probability that both balls are of the same colour?
More Probability Questions
- Two dice are rolled. What is probability that sum is at least 10?
- 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 5 red balls, 4 blue balls, and 3 green balls. If three balls are drawn randomly, what is the probability that all three balls are of differe...
- A box contains 5 red, 4 blue, and 6 green balls. Two balls are drawn at random. What is the probability that both balls are green?
- One summer peter visits 4 villages (A, B, C and D) in a random order. Find the probability that he visits (i) A before B (ii) A before B and B before C res...
- There are 'x' one-rupee coins, 'x + 5' two-rupee coins, and 'x - 5' five-rupee coins in a purse. Two coins are drawn from the purse without replacement, an...
- A bag has 4 red, 3 blue, and 3 green balls. Two are drawn without replacement. Find probability that both are of different colors.
- Two fair dice are thrown. What is the probability that the sum is a prime number?
- A person can hit a target 3 times out of 8 shots. If he fires 10 shots, what is the probability that he will hit the target twice
- A bag contains 20 white and some black balls. If the probability of drawing a black ball from the bag is 2.5 times that of drawing a white ball, find the n...
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)