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VTMO 2022 — Grade 9 — vtmo Question 14

VTMO · VTMO 2022 — Grade 9 — vtmo

Question 14

Exactly three of these statements about A are true: $A + 19$ is prime; $A + 1$ is a square; $9 A - 14$ is a square; $6 A - 24$ has exactly $8$ positive divisors. Find $A$.