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Number of subsets in set A={1,2,3} is .....

Number of subsets in set A={1,2,3} is ........

A

3

B

6

C

8

D

9

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • The number of proper subsets of {1,2,3} is

    A
    8
    B
    7
    C
    6
    D
    5

  • The number of subsets of {1,2,3,. . . . . .,9} containing atleast one odd number is

    A
    324
    B
    396
    C
    496
    D
    512

  • Let X={1,2,3,.......,10} and A={1,2,3,4,5}. Then the number of subsets B of X such that A-B={4} is

    A
    `2^(5)`
    B
    `2^(4)`
    C
    `2^(5)`-1
    D
    1

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    Let Z be the set of integers. If A = {x in Z : 2^((x + 2)(x^(2) - 5x + 6)} = 1 and B = {x in Z : -3 lt 2x - 1 lt 9} , then the number of subsets of the set A xx B is

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