A game consists of tossing three coins once and then rolling two dice. Find the probability of getting exactly two heads in the coin toss and a sum equa...
A card is drawn randomly from a collection of total face cards. What is the probability that the drawn card is a Queen?
what is the probability that at least one of them narrates an incident truthfully.
The probability of selecting a rotten apple randomly from a heap of 100 apples is 0.20. What is the number of rotten apples in the heap?
...Two fair dice are thrown. Find the probability that the sum is 9 or 10.
- The probability that Riya passes the test is (4/9) and the probability that Aditya fails is (1/3). If both appear for the test, find the probability that t...
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 squ...
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 an...
A die is biased in such a way that if thrown once, then the probability of getting an odd number on the die is (1/5) more than the probability of gettin...
A bag contains 6 red, 4 green and 5 blue balls. Two balls are drawn at random without replacement. What is the probability that both balls are of differ...