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The number of terms of the series 54,51,48,____ so that their sum is 513?

The number of terms of the series 54,51,48,____ so that their sum is 513?

Grade:11

1 Answers

Mathematics Expert - askIITians
askIITians Faculty 44 Points
6 years ago
Given series 54,51,48....
The numbers in the series are in AP.
Calculate the common difference.

Therefore,

Thus, possible numbers of terms are 18 and 19.

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