consider a bag containing four red marbles, three green ones, one transparent one, three yellow ones, and three orange ones.
how many possible sets of five marbles are there in which none of them are red or green?

21

Step-by-step explanation:

Given,

Total number of marble except red and green  = 3 +3+1

                                                                               = 7

So, the total number of possible sets of five marbles such that none of them are green or red can be given by

   = 21

So, the required number of possible sets are 21.

i used to know how to do this in 7th but i forget easily

step-by-step explanation:

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step-by-step explanation: