समांतर श्रेणी \(12,15,18,21,\ldots\) का \(a_6\) क्या है?

What is \(a_6\) of the arithmetic progression \(12,15,18,21,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (27)

Step 1

Concept

(a=12) and (d=3), so \(a_6=12+5\times3=27\). In exams, keep (n-1) correct.

Step 2

Why this answer is correct

The correct answer is B. (27). (a=12) and (d=3), so \(a_6=12+5\times3=27\). In exams, keep (n-1) correct.

Step 3

Exam Tip

(a=12) और (d=3), इसलिए \(a_6=12+5\times3=27\) है। परीक्षा में (n-1) को सही रखें।

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Mathematics Answer, Explanation and Revision Hints

समांतर श्रेणी \(12,15,18,21,\ldots\) का \(a_6\) क्या है? / What is \(a_6\) of the arithmetic progression \(12,15,18,21,\ldots\)?

Correct Answer: B. (27). Explanation: (a=12) और (d=3), इसलिए \(a_6=12+5\times3=27\) है। परीक्षा में (n-1) को सही रखें। / (a=12) and (d=3), so \(a_6=12+5\times3=27\). In exams, keep (n-1) correct.

Which concept should I revise for this Mathematics MCQ?

(a=12) and (d=3), so \(a_6=12+5\times3=27\). In exams, keep (n-1) correct.

What exam hint can help solve this Mathematics question?

(a=12) और (d=3), इसलिए \(a_6=12+5\times3=27\) है। परीक्षा में (n-1) को सही रखें।