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IMAS 2019 — Upper Primary Grades 5–6 — Round 1 Question 5

IMAS · IMAS 2019 — Upper Primary Grades 5–6 — Round 1

Question 5

Use “ < ” to connect $12.5\overline{21}, 12.\overline{521}, 12.52\overline1, 12.522$. Which of the following statement is correct?
  1. $12.52\overline1\lt12.5\overline{21}\lt12.\overline{521}\lt12.522$
  2. $12.5\overline{21}\lt12.52\overline1\lt12.522\lt12.\overline{521}$
  3. $12.52\overline1\lt12.5\overline{21}\lt12.522\lt12.\overline{521}$
  4. $12.52\overline1\lt12.\overline{521}\lt12.5\overline{21}\lt12.522$
  5. $12.\overline{521}\lt12.5\overline{21}\lt12.52\overline1\lt12.522$