If a_ 1 , a_ 2 , a_ 3 , ......... is an A.P such that a_ 1 +a_ 5 +a_ 10 +a_ 15 +a_ 20 +a_…
Mathematics · JEE Main · NTA Exams — Progression and Series
If \(a_{1}, a_{2}, a_{3},\) ......... is an A.P such that
\(a_{1}+a_{5}+a_{10}+a_{15}+a_{20}+a_{24}=225,\)
then \(a_{1}+a_{2}+a_{3}+\ldots \ldots . .+a_{23}+a_{24}\) is equal to
\(a_{1}+a_{5}+a_{10}+a_{15}+a_{20}+a_{24}=225,\)
then \(a_{1}+a_{2}+a_{3}+\ldots \ldots . .+a_{23}+a_{24}\) is equal to
- 909
- 75
- 750
- 900
Answer
(D) 900
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