Question: Which of the following statements is true regarding harmonic progressions?

Options:

1. The sum of the terms is always constant.
2. The product of the terms is always constant.
3. The reciprocals of the terms form an arithmetic progression.
4. The terms are always integers.

Correct Answer: The reciprocals of the terms form an arithmetic progression.

Solution:

In a harmonic progression, the reciprocals of the terms indeed form an arithmetic progression.