PDF chapter test TRY NOW

Answer variants:
923
1223
523
1423
Vishwak has several balls in his bag. His bag contains 5 white balls, 3 red balls, 6 green balls, 9 black balls. One ball is drawn at random from the bag.
 
Find the probability that the ball drawn is:
 
1. White ball

2. Black or red

3. Not white ball

4. Neither white nor black