Exam-style question
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A simple hash function is h(key) = key modulo 10. What hash value is produced for the key 47?.
- A.0
- B.4
- C.7
- D.10
Model answer
What a good answer should say
- 7
Explanation
Why this works
47 modulo 10 is 7, so the hash value is 7.
Common mistake
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