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The middle term b of such a triple is called the:
AHarmonic mean
BQuadratic mean
CArithmetic mean
DGeometric mean
Answer & Solution
Correct answer: C. Arithmetic mean
1. It is the average of the outer two.
2. The name comes from the progression itself.
3. It is the arithmetic mean.
_Source: NCERT Class 10 Mathematics, Chapter 5, Arithmetic Progressions._
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