Question
A bag contains 40 balls of two different colours pink and grey in the ratio of 9:11 respectively. Two balls are randomly drawn without replacement from the bag. Find the probability that both the balls are of the same colour.
More Probability Questions
- 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 bag contains 10 white balls, 5 black balls and 5 red balls. Two balls are drawn at random. What is the probability that at least one of them is red?
- A bag contains cards numbered between 33 and 102. If one card is drawn from the bag, the probability that the number on the drawn card is a perfect square ...
- A bag contains 3 black balls, 7 red balls and 5 white balls. Two balls are drawn simultaneously. Find the probability that both the balls are of same colou...
- In a deck of 52 cards, what is the probability of drawing either a king or a heart?
- A bag contains 3 white balls , 5 blue balls , and 8 red balls . One ball is picked randomly from the bag and discarded. What is the probability of selectin...
- One five letter word is to be formed taking all letters – U, Z, M, O and Q. What is the probability that this is word formed will contain all vowels togeth...
- A box contains 12 black, 8 red and 10 green marbles. Two marbles are randomly selected from the box, what is the probability that a black and a green marbl...
- There are thirty balls in my cupboard in complete disarray. Ten are black, ten are red and ten are brown, but I cannot distinguish the colors in the dark. ...
- A bag contains black and white balls, such that the probability of picking a black ball is 4/7. If the probability of picking two black balls without repla...
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)