समान्तर श्रेणी \(-13,\frac{-11}{2},2,\ldots\) का (31)वां पद क्या होगा?
What will be the (31)st term of the AP \(-13,\frac{-11}{2},2,\ldots\)?
Explanation opens after your attempt
Correct Answer
B. (208)
Concept
Here \(d=\frac{15}{2}\). \(a_{31}=-13+30\cdot\frac{15}{2}=212\), so the options should be rechecked.
Why this answer is correct
The correct answer is B. (208). Here \(d=\frac{15}{2}\). \(a_{31}=-13+30\cdot\frac{15}{2}=212\), so the options should be rechecked.
Exam Tip
यहां \(d=\frac{15}{2}\)। \(a_{31}=-13+30\cdot\frac{15}{2}=212\), इसलिए विकल्पों को पुनः जांचना चाहिए।
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