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IKMC 2027 - Grades 11-12 - Self-study SET 6 - Thematic Batch 3 Question 23

IKMC · IKMC 2027 - Grades 11-12 - Self-study SET 6 - Thematic Batch 3

Question 23

A prime x satisfies 4$\lt$x $\lt$18, and exactly three of these statements are true: (i)x+2 is not prime; (ii)2 x>30; (iii)x²>0; (iv)x is even; (v)x −1 is a power of a prime. Which three are true?

Question illustration
  1. (i), (ii), (iii)
  2. (i), (iii), (v)
  3. (i), (iv), (v)
  4. (ii), (iii), (iv)
  5. (ii), (iii), (v)