Anna is participating in a trivia game with 6 questions, each with 3 choices. Only one choice is correct per question. If Anna guesses on all questions,...
A bag contains 5 violet, 16 blue and 7 grey balls. Two balls are randomly drawn from the bag, what is the probability that a violet and a grey ball are ...
A game consists of tossing three coins once and then rolling two dice. Find the probability of getting all heads in the coin toss and a sum equal to 9 o...
- Two students are selected randomly without replacement from a group of 8 boys and 4 girls. Find the probability that both selected students are girls.
In a bag, the ratio of yellow and orange marbles is 4:5 respectively, and the ratio of orange and purple marbles is 1:3 respectively. If the total numbe...
A box contains 6 Brown and 8 Blue caps. There is another box which contains 8 Brown and 7 Blue caps. One cap is to drawn from either of the two boxes. ...
There are 5 Red caps, 3 Green caps and 2 Blue caps in a box. 4 caps are chosen at random. What is the probability of their being 2 Red and 2 Blue caps?
A bag consists of ‘x’ orange balls and 4 purple balls. If the probability of taking out an orange ball is 7/11, find the probability of getting one ...
A bag contains a certain number of fruits of three varieties: apple, orange, and banana. The total number of apples and oranges is 13, which is 5 more t...
Bag A contains 4 red balls and 6 blue balls, whereas bag B contains 5 red balls and 3 blue balls. One ball is drawn at random from A and transferred in...