IB AA HL May 2026 P2 TZC Q9

IB AA HL May 2026 P2 TZC Q9

IB Year 6 | Grade 12
6 marks
IB May 2026 Examination

Seven girls and three boys sit on a bench in a single row.

  1. Find the number of arrangements in which no two boys sit next to each other.[3]
  2. Find the number of arrangements in which no two boys sit next to each other and no girl sits at either end.[3]

Solution:

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Answer:(a) \(1693440\) (b) \(181440\)

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