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Let a(1), a(2) , a(3),"………………" be in har...

Let `a_(1), a_(2) , a_(3),"………………"` be in harmonic progression with `a_(1) = 5` and `a_(20) = 25`. The least positive integer n for which `a_(n) lt 0` is `:`

A

22

B

23

C

24

D

25

Text Solution

Verified by Experts

The correct Answer is:
D
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