UPSC NDA I 2023 Mathematics Solved Paper

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Question : 15 of 120

Marks: +1, -0

If 2‌

1

c

,2‌

b

ac

,2‌

1

a

are in GP, then which one of the following is correct?

[NDA I 2023]

a,b,c are in AP
a,b,c are in GP
a,b,c are in HP
ab,bc,ca are in AP

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