If A - x - x -2 n - n - W - n - 5- then n A -A- 1-3-5-7-11-13-17-B- 2-3-5-7-9-11-C- 3-5-7-11-13-17-D- None of these

The correct options are B 2, 3, 5, 7, 9, 11, A = x : x = 2n, n ∈ W, n ≤ 5} A = 0, 2, 4, 6, 8, 10 n(A) = 6 ...

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If A = {x : x = 2n, $n \in W, n \leq 5}$ , then n(A) =____.

{1, 3, 5, 7, 11, 13, 17, - - - -}

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{2, 3, 5, 7, 9, 11, - - - -}

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{3, 5, 7, 11, 13, 17, - - - -}

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None of these

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