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Maths Puzzle
Number System
Let p be any positive prime. Prove that there is a prime q such that q is not equal to p and q divides p + 2.
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Book Other Question
Paul weight 250 pounds,three times mack's weight is twice Paul, how many pounds does Paul weight? how many pounds does mack weight?
John likes 400 but not 300; he likes 100 but not 99; he likes 3600 but not 3700. Which does he like?
A:900
B:1000
C:1100
D:1200