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Question
Mathematics
No. of ways of selecting none or more of 10 identical things is
Q. No. of ways of selecting none or more of 10 identical things is
1449
212
Permutations and Combinations
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A
1
29%
B
10
29%
C
11
29%
D
9
12%
Solution:
No. of ways of selecting none or more of n identical things is
n
+
1
⇒
11