What is the sum of the first 11 terms of an arithmetic progression if the 4th term is 11 and the 7th term is -4?
What is the sum of the first 11 terms of an arithmetic progression if the 4th term is 11 and the 7th term is -4?
1). -75
2). 55
3). 11
4). 100
2 answers
Answered by
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# Right Answer for this question is 55
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Answered by
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# 55 is right answer
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