Bridge
In a lottery, there are 4 prizes and 20 blanks. A lottery is drawn at random. What is the probability of getting a prize?
There are a total of 42 students (boys and girls) in a class. The probability of picking at least one boy when two students are picked from the class is...
Two cards are drawn at random from a pack of 52 cards. What is the probability that either both are black or both are queens?
There are 8 boys and 4 girls giving interview for a job. If three of them are selected, then what is the probability that one of the three is a girl an...
A bag contains 5 green, 7 yellow, 3 red, and 6 blue marbles. If a single marble is chosen at random from the bag, what is the probability that it is yel...
30 pens are there in a box where 9 are red pens, ‘p’ are blue pens and remaining are black pens. If a pen is picked, the probability of getting blue...
A bag contains 9 Green and 10 Red balls. One ball is drawn at random. What is the probability that the ball drawn is Red?
A basket contains 3 pink, 4 blue and 5 yellow wools. If three wools are picked at random, what is the probability that either all are blue or either all...
In a lottery there are 5 prizes and 50 blanks. A lottery is drawn at random. What is the probability of getting the prize?
...The probability of selecting a rotten apple randomly from a heap of 600 apples is 0.14. What is the number of rotten apples in the heap?
