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Sequences and Series question

2020 · 2 Sep · Shift 2 · Q29
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  5. /2020 · 2 Sep · Shift 2 · Q29

Sequences and Series question

2020 · 2 Sep · Shift 2 · Q29

JEE MainMathematicsSequences and SeriesMCQ+4 / −1
If the sum of first 11 terms of an A.P., a1, a2, a3, .... is 0 (a eee 0), then the sum of the A.P., a1 , a3 , a5 ,....., a23 is ka1 , where k is equal to :
  1. A
    12110{{121} \over {10}}10121​
  2. B
    -12110{{121} \over {10}}10121​
  3. C
    725{{72} \over 5}572​
  4. D
    -725{{72} \over 5}572​
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