Question

# If a, b, c and d are in harmonic progression, then $$\displaystyle\frac{1}{a}$$, $$\displaystyle\frac{1}{b}$$, $$\displaystyle\frac{1}{c}$$ and $$\displaystyle\frac{1}{d}$$, are in ______ progression.

A
AP
B
GP
C
HP
D
AGP

Solution

## The correct option is A APWhen terms are in Harmonic Progression, their reciprocals are always in Arithmetic Progression. Maths

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