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Each child laid out their counters in a single row, as shown. Whose counters can NOT be rearranged into a rectangle with 2 or more rows?

Class 6Prime and Composite NumbersPlaying with Numbers
  • AAsha
  • BBilal
  • CChitra
  • DDev

Step-by-Step Solution

Count the counters: Asha 9, Bilal 11, Chitra 15, Dev 21. , but 11 is prime, so it fits only in one row.
Answer: B) Bilal

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