The number of ways in which one or more balls can be selected out of 10 white, 9 green and 7 blue balls is

The number of ways in which one or more balls can be selected out of 10 white, 9 green and 7 blue balls is

(a) 892 (b) 881 (c) 891 (d) 879 (e) None of these

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

(d) The required number of ways
= (10 +1)(9 +1)(7 +1) -1 = 879.

4 views Answered 2023-02-05 15:29

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