A box holds a total of 'p' purple balls and 5 silver balls. Two balls are drawn sequentially without replacement. The probability that both selected bal...
Two cards are drawn from a pack of 52 cards. The probability that 1 is Ace and 1 is Queen is?
A bowl contains 9 blue balls, 7 white, and 5 black balls. If 2 balls are drawn in one go, then the probability of exactly one ball being white is:
The chance that Nikhil can solve a certain problem is1/7, the chance that Tarun can solve it is3/5. Find the probability that the problem is solved if t...
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 red, green, and blue balls. The probability of picking a blue ball at random is 1/4. The combined number of red and green balls is 15. If...
- The letters of the word MISCHIEF are arranged among themselves. What is the probability that word ICE will be contained?
- Two numbers are chosen at random without replacement from the set of first 20 natural numbers. Find the probability that both the numbers are even.
A bag contains 20 white and some black balls. If the probability of drawing a black ball from the bag is 1.3 times that of drawing a white ball, ...
- The ratio of green to yellow balls in a basket is 5:7. If 15 balls of each color are added, the ratio becomes 2:3. How many yellow balls were originally th...
Relevant for Exams:
