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HKIMO 2026 Grade 5 National Preliminary Set 04 Question 9

HKIMO · HKIMO 2026 Grade 5 National Preliminary Set 04

Question 9

Find $P$ so that $2\times P=2+6+18+54+\cdots+4374$.
  1. 3820
  2. 3280
  3. 2380
  4. 2830