IPMAT Indore 2024 (MCQ) - The sum of a given infinite geometric progression is 80 and the sum of its first two terms is 35. Then the value of n for which the sum of its first n terms is closest to 100, is | PYQs + Solutions | AfterBoards
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Algebra
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Progression & Series

Medium

The sum of a given infinite geometric progression is 80 and the sum of its first two terms is 35. Then the value of nn for which the sum of its first nn terms is closest to 100, is

Correct Option: 2
If we put even values of nn, then the sum will go below 80 but we want it close to 100, that's why we'll only take the odd values of nn.

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