Question
Out of 36 balls in a bag, some are black and the rest are white in the ratio 7:5. Two balls are drawn randomly without putting back the first one. What is the probability that both drawn balls are of the same colour?
More Probability Questions
- In a quiz competition, two participants, Meena and Nisha, answer a question independently. The probability that Meena answers correctly is (3/7) and the pr...
- A box contains 6 Brown and 8 Blue caps. There is another box which contains 8 Brown and 7 Blue caps. One cap is to drawn from either of the two boxes. What...
- A bag contains x orange balls, (x + 5) purple balls and (x + 7) green balls. If probability of getting a purple ball is 1/15 more than that of getting an o...
- A jar contains 'z' white balls and 9 black balls. If the probability of getting a white ball is 4/7, then find the probability of getting different coloure...
- A bag contains 4 red, 3 green and 3 blue balls (all identical except for colour). If one ball is drawn at random, what is the probability that it is red?
- A money bag has eight 50 paise coins, seven Rs. 2 coins, and ten Rs. 10 coins. If one coin falls out and is lost, what is the probability that the lost coi...
- 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 bag contains 5 green balls, 4 blue balls and 6 yellow balls. Two balls are drawn simultaneously. Find the probability that both the balls are of same col...
- Determine the probability that when a hand of 7 cards is drawn from a box of 52 cards, it consists at least 3 kings?
- In a container, there are (x + 4) red balls, ‘x’ blue balls, and (x + 5) black balls. If the probability of picking two blue balls at random is (1/30), the...
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)