यदि समान्तर श्रेणी \(u-9,u-1,u+7,\ldots\) का (29)वां पद (295) है, तो (u) का मान क्या होगा?

If the (29)th term of the AP \(u-9,u-1,u+7,\ldots\) is (295), what is the value of (u)?

Explanation opens after your attempt
Correct Answer

D. (80)

Step 1

Concept

Here (d=8). \(295=u-9+28\times8=u+215\), so (u=80).

Step 2

Why this answer is correct

The correct answer is D. (80). Here (d=8). \(295=u-9+28\times8=u+215\), so (u=80).

Step 3

Exam Tip

यहां (d=8)। \(295=u-9+28\times8=u+215\), इसलिए (u=80)।

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Mathematics Answer, Explanation and Revision Hints

यदि समान्तर श्रेणी \(u-9,u-1,u+7,\ldots\) का (29)वां पद (295) है, तो (u) का मान क्या होगा? / If the (29)th term of the AP \(u-9,u-1,u+7,\ldots\) is (295), what is the value of (u)?

Correct Answer: D. (80). Explanation: यहां (d=8)। \(295=u-9+28\times8=u+215\), इसलिए (u=80)। / Here (d=8). \(295=u-9+28\times8=u+215\), so (u=80).

Which concept should I revise for this Mathematics MCQ?

Here (d=8). \(295=u-9+28\times8=u+215\), so (u=80).

What exam hint can help solve this Mathematics question?

यहां (d=8)। \(295=u-9+28\times8=u+215\), इसलिए (u=80)।