यदि \(a_1=100\) और \(a_{n+1}=a_n-15\) है तो \(a_3\) क्या होगा?

If \(a_1=100\) and \(a_{n+1}=a_n-15\), what is \(a_3\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

A. (70)

Step 1

Concept

The terms are (100,85,70), so \(a_3=70\). Exam tip: do not skip steps even with large subtraction.

Step 2

Why this answer is correct

The correct answer is A. (70). The terms are (100,85,70), so \(a_3=70\). Exam tip: do not skip steps even with large subtraction.

Step 3

Exam Tip

पद (100,85,70) हैं इसलिए \(a_3=70\) है। बड़े घटाव में भी चरण न छोड़ें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=100\) और \(a_{n+1}=a_n-15\) है तो \(a_3\) क्या होगा? / If \(a_1=100\) and \(a_{n+1}=a_n-15\), what is \(a_3\)?

Correct Answer: A. (70). Explanation: पद (100,85,70) हैं इसलिए \(a_3=70\) है। बड़े घटाव में भी चरण न छोड़ें। / The terms are (100,85,70), so \(a_3=70\). Exam tip: do not skip steps even with large subtraction.

Which concept should I revise for this Mathematics MCQ?

The terms are (100,85,70), so \(a_3=70\). Exam tip: do not skip steps even with large subtraction.

What exam hint can help solve this Mathematics question?

पद (100,85,70) हैं इसलिए \(a_3=70\) है। बड़े घटाव में भी चरण न छोड़ें।