UPSC CDS I 2024 Math Paper

Question : 42 of 100

Marks: +1, -0

Let the positive numbers a₁, a₂, a₃, ...., a_3n be in GP. If P is the GM of a1, a2, a3, ...., a_n and Q is the GM of a_n+1, a_n+2, a_n+3, ..., a_3n, then what is the GM of 3n numbers?