Out of 10 white, 9 black and 7 red balls, the number of ways in which selection of one or more balls can be made, is

Out of 10 white, 9 black and 7 red balls, the number of ways in which

1.	Out of 10 white, 9 black and 7 red balls, the number of ways in which selection of one or more balls can be made, is
A.	881
B.	891
C.	879
D.	892
Answer» D. 892

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Out of 10 white, 9 black and 7 red balls, the number of ways in which selection of one or more balls can be made, is

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