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Math Chapter Wise question with answer

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Question #44,947
Math Chapter Wise Sequences And Series (A.p., G.p., H.p.) English MCQ Haryana PGT 2018

Q.If a, b, c are three unequal numbers such that a, b, c are in arithmetic progression and b – a, c – b, a are in geometric progression, then a: b: c is:

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