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UPSC NDA II 2013 Mathematics Paper
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© examsnet.com
Question : 26
Total: 120
The sum of the first five terms and the sum of the first ten terms of an AP are same. Which one of the following is the correct statement?
The first term must be negative
The common difference must be negative
Either the first term or the common difference is negative but not both
Both the first term and the common difference are negative
Validate
Solution:
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