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Let A = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}....

Let `A = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}`. Then the number of subsets of A containing two or three elements is:

A

20

B

40

C

45

D

90

Text Solution

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The correct Answer is:
C
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