Question
25 defective watches got mixed with 175 non-defective watches. A buyer purchases one watch. What is the probability that the watch is defective?
More Probability Questions
- A box holds a total of 'p' purple balls and 5 silver balls. Two balls are drawn sequentially without replacement. The probability that both selected balls ...
- A bag contains 4 red balls, 7 white balls and 6 blue balls. Two balls are drawn simultaneously. Find the probability that both the balls are of same colour...
- A bag contains 6 blue, 9 yellow and 15 white balls. Two balls are randomly drawn from the bag, what is the probability that a blue and a white ball are dra...
- A bag contains 16 black and 18 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
- Three persons. A, B and C. are given the same puzzle to solve. The probability that A, B and C will solve the puzzle is. 3/5., 2/3., and 1/4respectively. F...
- Three persons i.e. ‘M’, ‘N’ and ‘O’, are given the same puzzle to solve. The probability that ‘M’, ‘N’ and ‘O’ will solve the puzzle is (7/10), (3/5) and (...
- 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 piggy bank has seven 25 paise coins, five Rs. 2 coins, and thirteen Rs. 5 coins. One of the coins fell and got lost. Find the probability that the lost c...
- 20 defective LED bulbs were mixed with 180 working LED bulbs. One bulb is selected randomly. What is the probability that the selected bulb is defective?
- A fair coin is tossed 3 times. ‘A’ wins if exactly one tail appears. Otherwise, ‘B’ wins. What is the probability that ‘A’ wins?
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)