If the sum of the 10 terms of an A.P. is 4 times to the sum of its 5 terms, then the…
Mathematics · JEE Advanced · NTA Exams — Progression and Series
If the sum of the 10 terms of an A.P. is 4 times to the sum of its 5 terms, then the ratio of first term and common difference is
- 1 : 2
- 2 : 1
- 2 : 3
- 3 : 2
Answer
(A) 1 : 2
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