1. There are 5 yellow 7 orange balls. Two balls are selected one by one without replacement. Find the
probability that first is yellow and second is orange.
2. What is the probability of selecting a number divisible by 4 from a set of 6 consecutive even numbers
starting from number 6?
3. A number is chosen from the first 50 natural numbers. What is the probability that the number is odd or
divisible by 5?
4. A bag contains 100 marbles, 56 red ones and 44 blue ones. What is the probability of picking a red marble
after a blue marble had been picked?
5. Find the probability of getting 3 heads when 6 coins are tossed.​