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For the list 6, 3, 0, minus 3, the common difference is:

APlus 6
BMinus 3
CMinus 6
DPlus 3
Answer & Solution
Correct answer: B. Minus 3
1. Subtract the earlier term from the later one. 2. 3 minus 6 gives minus 3. 3. The common difference is minus 3. _Source: syllabus Mathematics, Chapter 5, Arithmetic Progressions._
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