यदि \(a_n=42-6n\) है, तो \(a_5\) का मान क्या होगा?

If \(a_n=42-6n\), what is the value of \(a_5\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (12)

Step 1

Concept

\(a_5=42-30=12\). In exams, calculate (6n) first and then subtract.

Step 2

Why this answer is correct

The correct answer is B. (12). \(a_5=42-30=12\). In exams, calculate (6n) first and then subtract.

Step 3

Exam Tip

\(a_5=42-30=12\) है। परीक्षा में पहले (6n) निकालें और फिर घटाएँ।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_n=42-6n\) है, तो \(a_5\) का मान क्या होगा? / If \(a_n=42-6n\), what is the value of \(a_5\)?

Correct Answer: B. (12). Explanation: \(a_5=42-30=12\) है। परीक्षा में पहले (6n) निकालें और फिर घटाएँ। / \(a_5=42-30=12\). In exams, calculate (6n) first and then subtract.

Which concept should I revise for this Mathematics MCQ?

\(a_5=42-30=12\). In exams, calculate (6n) first and then subtract.

What exam hint can help solve this Mathematics question?

\(a_5=42-30=12\) है। परीक्षा में पहले (6n) निकालें और फिर घटाएँ।