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State which of the following is total nu...

State which of the following is total number of relations from set A = {a,b,c) to set B = {d,e} is……

A

`2^6`

B

`2^8`

C

`2^4`

D

`2^15`

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Knowledge Check

  • State which of the following is the total number of relations from set A = {1,2,3} to set B = {4,5} ?

    A
    `2^3`
    B
    `2^4`
    C
    `2^5`
    D
    `2^6`

  • State which of the following is a null set?

    A
    {0}
    B
    `{phi}`
    C
    {x:x is an integer and `1 ltx lt 2}`
    D
    `{x: x " is a real number and " 1 lt x lt 2}`

  • State which of the followings are null set?

    A
    `{x in RR: x^2 + 1 =0}`
    B
    `{x in CC : x gt x}`
    C
    `{x in RR: x^2 + x = 0 }`
    D
    `{x in RR:x^2+2=0}`

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