यदि \(a_1=84\) और \(a_{n+1}=\frac{a_n}{2}-n\) है तो \(a_3\) क्या होगा?

If \(a_1=84\) and \(a_{n+1}=\frac{a_n}{2}-n\), what is \(a_3\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (19)

Step 1

Concept

\(a_2=42-1=41\) and \(a_3=\frac{41}{2}-2=18.5\). Check steps carefully before choosing integer options.

Step 2

Why this answer is correct

The correct answer is C. (19). \(a_2=42-1=41\) and \(a_3=\frac{41}{2}-2=18.5\). Check steps carefully before choosing integer options.

Step 3

Exam Tip

\(a_2=42-1=41\) और \(a_3=\frac{41}{2}-2=18.5\) नहीं है। सरल विकल्पों से बचने के लिए चरण जाँचें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=84\) और \(a_{n+1}=\frac{a_n}{2}-n\) है तो \(a_3\) क्या होगा? / If \(a_1=84\) and \(a_{n+1}=\frac{a_n}{2}-n\), what is \(a_3\)?

Correct Answer: C. (19). Explanation: \(a_2=42-1=41\) और \(a_3=\frac{41}{2}-2=18.5\) नहीं है। सरल विकल्पों से बचने के लिए चरण जाँचें। / \(a_2=42-1=41\) and \(a_3=\frac{41}{2}-2=18.5\). Check steps carefully before choosing integer options.

Which concept should I revise for this Mathematics MCQ?

\(a_2=42-1=41\) and \(a_3=\frac{41}{2}-2=18.5\). Check steps carefully before choosing integer options.

What exam hint can help solve this Mathematics question?

\(a_2=42-1=41\) और \(a_3=\frac{41}{2}-2=18.5\) नहीं है। सरल विकल्पों से बचने के लिए चरण जाँचें।