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SEAMO 2027 - Paper A - SET 03 - Self-study Question 4

SEAMO · SEAMO 2027 - Paper A - SET 03 - Self-study

Question 4

Find the value of \(1+2+3+\cdots+9+10+9+\cdots+3+2+1\).
  1. 98
  2. 100
  3. 102
  4. 104
  5. 106