यदि \(a_1=30\) और (a_{n+1}=a_n-(n+2)) है तो \(a_3\) क्या होगा?

If \(a_1=30\) and (a_{n+1}=a_n-(n+2)), what is \(a_3\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (23)

Step 1

Concept

The terms are (30,27,23), so \(a_3=23\). Exam tip: calculate (n+2) correctly at each step.

Step 2

Why this answer is correct

The correct answer is B. (23). The terms are (30,27,23), so \(a_3=23\). Exam tip: calculate (n+2) correctly at each step.

Step 3

Exam Tip

पद (30,27,23) हैं इसलिए \(a_3=23\) है। प्रत्येक चरण में (n+2) सही निकालें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=30\) और (a_{n+1}=a_n-(n+2)) है तो \(a_3\) क्या होगा? / If \(a_1=30\) and (a_{n+1}=a_n-(n+2)), what is \(a_3\)?

Correct Answer: B. (23). Explanation: पद (30,27,23) हैं इसलिए \(a_3=23\) है। प्रत्येक चरण में (n+2) सही निकालें। / The terms are (30,27,23), so \(a_3=23\). Exam tip: calculate (n+2) correctly at each step.

Which concept should I revise for this Mathematics MCQ?

The terms are (30,27,23), so \(a_3=23\). Exam tip: calculate (n+2) correctly at each step.

What exam hint can help solve this Mathematics question?

पद (30,27,23) हैं इसलिए \(a_3=23\) है। प्रत्येक चरण में (n+2) सही निकालें।