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In a decreasing AP, the sum of the terms except 1st term is -75, sum of all the terms except for the last term is 0, the difference between the 9th term and the 13th term is -20. Then find the 1st term?
In a decreasing AP, the sum of the terms except 1st term is -75, sum of all the terms except for the last term is 0, the difference between the 9th term and the 13th term is -20. Then find the 1st term?
Updated On: Jul 25, 2024
- None
- 35
- 25
- 30
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The Correct Option is B
Solution and Explanation
The correct option is (B): 35.
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