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In a school assembly, students stand in rows. There are 132 students.
They can stand in rows of equal size with nobody left out.
Which of these row sizes leaves NO student standing alone?

Class 6Divisibility RulesPlaying with Numbers
  • A5
  • B7
  • C11
  • D8

Step-by-Step Solution

Test each: 132 ÷ 5 = 26.4 (no), 132 ÷ 7 ≈ 18.9 (no), 132 ÷ 8 = 16.5 (no), 132 ÷ 11 = 12 exactly (yes). So rows of 11 work perfectly.
Answer: C) 11

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