Answer: 21
Explanation:
Given : A contains five red marbles, two green ones, one transparent one, four yellow ones, and two orange ones.
Total marbles =

Number of marbles except red or green =14-5-2=7
∵ Combinations of n things taken m at a time is given by :-

Now, the number of possible sets of five marbles are there in which none of them are red or green :_

Hence, the number of possible sets of five marbles are there in which none of them are red or green=21