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VTMO 2017 — Grade 7 — semifinal Question 8

VTMO · VTMO 2017 — Grade 7 — semifinal

Question 8

Concatenate squares $1 , 4 , 9 , 16 , 25 , 36 , 49 , \ldots$ Find digit $100$.
  1. $1$
  2. $4$
  3. $6$
  4. $9$
  5. $8$