Question
A box contains only three colors of balls- red, green and blue. What is the minimum number of balls that should be picked from the box to ensure that at least 5 red balls or at least 6 green balls or at least 8 blue balls are picked?
More Probability Questions
- A jar contains 15 orange candies, k green candies, and p yellow candies. The probability of selecting a green candy is equal to the probability of selectin...
- A bag contains 4 orange balls, 5 black balls, and 6 pink balls. If 3 balls are taken out randomly, what is the probability that all the three balls are not...
- A container has 'p' orange balls and 15 purple balls. If the probability of getting an orange ball is 2/5, then find the probability of getting different c...
- A boy attended 5 lab evaluations, each having a total of 100 marks. His scores were 88, 76, 92, 81, and 70. He randomly reveals one of the scores to his fr...
- A box has ‘x’ black marbles, ‘x + 5’ blue marbles and ‘x – 1’ yellow marbles. If the probability of selecting a yellow marble is 1/28 less than the probabi...
- A bag contains 7 green balls, 5 blue balls, and 10 yellow balls. A box contains 3 green balls and 8 yellow balls. A ball is randomly drawn from the box and...
- A bag contains 7 blue balls, 3 red balls and remaining were black balls. Probability of drawing a black ball from the bag is (4/9) . Find the number of bla...
- A bag holds 'a' red bands and 5 green bands. If two bands are drawn sequentially at random without replacement, the probability that both selected bands ar...
- In a factory which manufactures calculators, machines A, B and C manufacture respectively 25%, 35% and 40% of the calculators. Of their outputs, 5, 4 and 2...
- Two dice are rolled. What is probability that sum is at least 10?
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)