40 pens are there in a box where 22 are red pens, ‘p’ are blue pens and remaining are black pens. If a pen is picked, the probability of getting blu...
A box contains 5 red, 4 blue, and 6 green balls. Two balls are drawn at random. What is the probability that both balls are green?
A bag contains 9 blue balls, 16 red balls, and 20 green balls. One ball is drawn at random. Find the probability that the ball drawn is either blue or g...
A game consists of tossing three coins once and then rolling two dice. Find the probability of getting at least two heads in the coin toss and a sum equ...
- 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...
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 bag contains (a + 2) red pens, (a – 3) green pens, and (a – 7) blue pens. Two pens are drawn in succession without replacem...
A card is drawn randomly from a collection of total face cards. What is the probability that the drawn card is a jack?
If a coin is tossed 10 times then what is the probability of getting three heads?
- A girl appeared in 5 exams, each having a maximum of 200 marks. Her scores in the exams were 180, 150, 165, 190, and 175. She randomly tells her marks of o...
