a box contains 9 red marbles, 12 blue marbles, 13 green marbles and 6 white marbles what is the probability of taking out a red, green marbles
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Number of red marbles =7
Number of white marbles =10
Number of green marbles =5
Total marbles =7+10+5=22
Probability of getting not red marble =
22
15
Probability of getting white marble =
22
10
Probability of getting green marble =
22
5
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