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Let A={x: x is a positive multiple of 3 ...

Let A={x: x is a positive multiple of 3 less than 100} and B={x: x is a prime number less than 20}, then n(A) + n(B) is equal to:

A

23

B

29

C

33

D

41

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JBD PUBLICATION-MODEL PAPER (3)-EXERCISE
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