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Part ACSIR NET June 2024greedy-change-making

Greedy change making

What would be the minimum number of notes for Rs 4849 if notes are available only in denominations of Rs 2, 5, 20, 50, 500?

  1. A.19
  2. B.20✓
  3. C.21
  4. D.22

You have the answer. Trap Analysis is why the other three were written.

Not a worked solution repeated four times — the specific reasoning error each wrong option was built to reward.

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50 are analysed free — try those first.

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