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If mu = {set of natural numbers less tha...

If `mu` = {set of natural numbers less than `20`}, A = {factors of 18} and B= {odd numbers less than 15}, then find
(i) `(A nn B)'` , (ii) `A' uu B'`

Text Solution

Verified by Experts

The correct Answer is:
`{2,4,5,6,7,8,10,11, . . . ,19}`
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Knowledge Check

  • Let A = {set of prime numbers less than 10 } ; B = {factors of 36} Then , A U B =

    A
    {2, 3, 4, 6, 9, 12, 18}
    B
    {1, 2, 3, 4, 5, 6, 7, 8, 9}
    C
    {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
    D
    {1, 2, 3, 4, 5, 6, 7, 9}

  • The set of prime numbers less than 99 is :

    A
    Null set
    B
    Finite set
    C
    Infinite set
    D
    None of these.

  • If A is the set of een natural numbers less than 9 and B is the set of prime numbes less than 7, then the number of relation from set A to set B is

    A
    `2 ^(8)`
    B
    `2 ^(12)`
    C
    `4 ^(2)`
    D
    `2 ^(12) - 1`

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    If the sum of first n odd natural numbers is 169, then the sum of all natural numbers less than or equal to n is.

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    Find the sum of all prime numbers less than 20.

    Given that X = {Natural numbers less than 100 divisible by 6 } , Y = { Natural numbers less than 100 divisible by 18 }.

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