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CGP EDU Academic Team
Published on: August 14, 2026
If a, b, c are three distinct numbers such that a, b, c are in A.P. and a, c-b, b-a are in G.P. then the ratio a : b: c equals
Text Solution
Verified by ExpertsThe correct answer is:
D
2b = a + c, (c – b) 2 = a (b – a)
⇒ (c – a) 2 = 2a (c – a) ⇒ c = 3a
∴ 2b = 4a ⇒ b = 2a
∴ a : b : c = 1: 2 : 3
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