If p, 1, q are in AP and p, 2, q are in GP, then which of the following statements is/are correct? I. p, 4, q are in HP. II. (1/p), 1/4, (1/q) are in AP. Select the answer using the code given below.

NDA 2025 Mathematics question

If are in AP and are in GP, then which of the following statements is/are correct? I. are in HP. II. are in AP. Select the answer using the code given below.

(A)I only
(B)II only
(C)Both I and IICorrect
(D)Neither I nor II

Answer: (C)

Solution

in AP . in GP . Statement I: are in HP if the middle term equals , which is true. Statement

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Question ID VK-030017