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TIMO 2026 Grade 4 Preliminary Set 1 - Self-study Question 7

TIMO · TIMO 2026 Grade 4 Preliminary Set 1 - Self-study

Question 7

Find the sum: $4+9+14+19+\cdots+99$
  1. 1010
  2. 1030
  3. 1050
  4. 1070