Question
A box contains 13 black and 13 white balls. The probability of drawing two balls of the same color is?
= 325 Let E= event of drawing 2 balls of the same color n (E) = 13C 2 + 13C2 = More Probability Questions
- A bag contains 7 (one rupee coins), 4 (two rupee coin) and 5 (ten rupee coin). Find the probability that 3 coins drawn at random are either (two rupee coin...
- There are is chest containing only diamond and emeralds in the ratio 2:5. When 2 of them are picked at random form the chest, the probability that both are...
- A bag contains x white balls, (x + 4) black balls and (x + 8) yellow balls. If probability of getting a black ball is 1/12 more than that of getting a whit...
- Two marbles are drawn without replacement from a jar containing 6 blue, 4 yellow, and 2 white marbles. What is the probability that both marbles are yellow...
- Two balls are drawn randomly without replacement from a bag containing 7 red balls and 5 green balls. What is the probability that both balls are green?
- In a game, there are 12 cards, 5 of which are red and the rest are blue. If 2 cards are drawn at random, the question is to determine the probability that ...
- 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...
- The probability that a candidate fails in an interview is 1/5, and the probability that he does not fail in the written test is 4/5. Find the probability t...
- Determine the number of ways to form a Kabaddi team consisting of six players from a group of 7 male players and 5 female players. Specifically, calculate ...
- A contains X green Balls, '7 Red Balls, and 5 Yellow Balls. The probability to pick Green Ball at random is 3/5. Another Bag B contains ‘6 green Balls, ‘x ...
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)