P=15/(15+25)=15/40=3/8 Ans :Probability of getting the prize is 3/8.
In a zoo, there are 15 rabbits and 10 rhinos. Three animals are selected in random. What is the probability that 1 rhino and 2 rabbits are selected?
In a pack of playing cards , I have to draw any 6 cards . What is probability of getting a set of 4 kings and any of the 2 cards ?