Question
Three persons
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 (1/2), respectively. Find the probability that exactly one of them will not solve the puzzle.
More Probability Questions
- Given that E and F are events such that P(E) = 0.7, P(F) = 0.4 and P(E ∩ F) = 0.3, find P(E|F) and P(F|E)
- If a coin is tossed 10 times then what is the probability of getting three heads?
- Determine the probability of drawing a number card (2 to 10) from a standard 52-card deck.
- A bag contains 5 red, 4 blue and 3 green balls (12 balls in total). Two balls are drawn at random without replacement. Find the probability that both balls...
- The probability that Ankit passes is (2/9) and the probability that Shruti fails is (7/13). Find the probability that both have the same result.
- ‘A’ and ‘B’ play a game in which a coin is tossed 4 times. ‘A’ wins if at least 3 heads appear. Find the probability that ‘A’ wins.
- There are ‘x’ white balls and 5 black balls in a jar. If the probability of picking a white ball is 2/3, then calculate the probability that the two chosen...
- A bag contains 7 white, 13 orange and 10 brown balls. Two balls are randomly drawn from the bag, what is the probability that a white and a brown ball are ...
- A container holds 7 orange balls, 5 violet balls and 8 grey balls. Two balls are drawn at random. What is the probability that at least one of them is viol...
- Two fair six-faced dice are rolled simultaneously. What is the probability that the product of the numbers obtained is divisible by 4 but not divisible by ...
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)