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If a∈N and aN={ax:x∈N}then the value of ...

If `a∈N and aN={ax:x∈N}`then the value of `3Ncap5N`is

A

a)2N

B

b)8N

C

c)15N

D

d)30N

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Knowledge Check

  • If aN={ax:x in N(natural number)} then 3N cap 7N is equal to

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    A
    `a=2, n=9`
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    C
    `a=3/2, n=6`
    D
    `a= 2/3, n=9`

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