Question

if p={x:x is a multiple of 3, 1< x < 20} and Q ={x:x is an even natural number < 15} then P ∩ Q

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Answer 1

Answer:

P={3,6,9,12,15,18} (because multiple of 3 )

Q={2,4,6,8,10,12,14}. (even natural number less than 15

P∩Q={6,12}