Combinations with Identical Objects (Jee Mains) | ExamDuo
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Terms of Binomial Expansion
Medium
Combinations with Identical Objects
The number of ways of choosing 10 objects out of 31 objects of which 10 are identical and the remaining 21 are distinct, is:
SELECT ONE OPTION
A
2
20
B
2
20
+
1
C
2
21
D
2
20
−
1
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