समान्तर श्रेणी \(17,24,31,\ldots\) में \(a_n=136\) है। (n) का मान ज्ञात कीजिए।

In the AP \(17,24,31,\ldots\), \(a_n=136\). Find the value of (n).

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (18)

Step 1

Concept

From (136=17+(n-1)7), (119=7(n-1)) so (n=18). The term number should be an integer.

Step 2

Why this answer is correct

The correct answer is B. (18). From (136=17+(n-1)7), (119=7(n-1)) so (n=18). The term number should be an integer.

Step 3

Exam Tip

(136=17+(n-1)7) से (119=7(n-1)) इसलिए (n=18)। पद संख्या पूर्णांक आनी चाहिए।

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समान्तर श्रेणी \(17,24,31,\ldots\) में \(a_n=136\) है। (n) का मान ज्ञात कीजिए। / In the AP \(17,24,31,\ldots\), \(a_n=136\). Find the value of (n).

Correct Answer: B. (18). Explanation: (136=17+(n-1)7) से (119=7(n-1)) इसलिए (n=18)। पद संख्या पूर्णांक आनी चाहिए। / From (136=17+(n-1)7), (119=7(n-1)) so (n=18). The term number should be an integer.

Which concept should I revise for this Mathematics MCQ?

From (136=17+(n-1)7), (119=7(n-1)) so (n=18). The term number should be an integer.

What exam hint can help solve this Mathematics question?

(136=17+(n-1)7) से (119=7(n-1)) इसलिए (n=18)। पद संख्या पूर्णांक आनी चाहिए।