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25-02-2017
Mathematics

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What is the value of N(N(30))?
N(x) is the no. of primes numbers less than x.
a) 3 b) 4 c) 23 d) 29

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Аноним Аноним

25-02-2017

N(x) is the no. of primes numbers less than x.

N(30) = 10
N(N(30)) = N(10) = 4

Answer is (b)

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