$\frac{1}{2}, \frac{1}{3}, \frac{1}{4}, \frac{1}{5}$ is a

arithmetic progression

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harmonic progression

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geometric progression

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arithmetic series

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Solution

The correct option is B harmonic progression
Sequence $2, 3, 4, 5$ is a arithmetic series.
Reciprocal of arithmetic progression is harmonic progression.
Thus $\frac{1}{2}, \frac{1}{3}, \frac{1}{4}, \frac{1}{5}$ is a harmonic progression.

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Similar questions

Odd one out among the following numbers $\frac{1}{2}, \frac{1}{3}, \frac{1}{4}, \frac{1}{5}$ is,

| x + 1 | + | 2 x + 3 | = 5

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\frac{1}{2}, \frac{1}{6}, \frac{1}{18}, . . . . . .

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Which of the following sequences are in arithmetic progession ?

(i) 2,6,10,14, ........

(ii) 15,12,9,6,.........

(iii) 5,9,12,18,.......

(iv) $\frac{1}{2}, \frac{1}{3}, \frac{1}{4}, \frac{1}{5}, . . . . .$

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