Comprehension Passage
Directions: Study the information to answer the questions that below :
There are three bags of Red, Blue and Pink marbles. The number of Red, Blue and Pink marbles are 10, 15 and 20 respectively in bags. Three marbles are picked at a random from three bags.
Find the probability that all are Pink marbles.
1
19/473
2
19/374
3
38/343
4
19/3430
5
38/473