Question
A box contains 6 white balls, 5 black balls and 4 red balls. Two balls are drawn at random without replacement. What is the probability that both balls are of the same colour?
More Probability Questions
- A university has to select an examiner from a list of 50 persons. Out of these 50 persons, 20 are women and 30 are men. 10 persons know hindi and 40 do not...
- A bag contains ‘x + 2’ red, ‘x + 4’ blue and ‘2x – 2’ green Gloss papers. Two papers are randomly drawn from the bag, so the probability that a blue paper ...
- The probability that Rohan fails in Physics is (1/3), and the probability that he does not fail in Chemistry is (3/4). Find the probability that he fails e...
- A box contains four Rs. 2 coins, eight Rs. 1 coins, and sixteen Rs. 5 coins. One coin is lost. Find the probability that the lost coin is not a Rs. 2 coin.
- What is the probability that the cards drawn contains 1 red card, 1 purple card and 1 yellow card?
- A bag contains cards which are numbered from 2 to 90. A card is drawn at random from the bag. Find the probability that the card number is a perfect square...
- A 6-digit number is formed using the digits 1, 2, 3, 4, 5 and 6. If each digit can be used only once, then find the probability that the number formed will...
- A box contains 5 red balls and 3 blue balls. Two balls are drawn at random without replacement. Find the probability that both balls are of the same colour...
- A jar contains 6 pink, 2 black and 4 orange balls. If 3 balls are chosen at random without replacement, what is the probability that all 3 balls are of one...
- A game consists of tossing three coins once and then rolling two dice. Find the probability of getting exactly one tail in the coin toss and a sum equal to...
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