अनुक्रम \(20,16,12,8,\ldots\) क्या समानांतर श्रेढ़ी है?

Is the sequence \(20,16,12,8,\ldots\) an arithmetic progression?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. हाँ क्योंकि समान अंतर (-4) हैYes because the common difference is (-4)

Step 1

Concept

Each time (4) is subtracted, so the common difference is (-4). A decreasing sequence can also be an arithmetic progression.

Step 2

Why this answer is correct

The correct answer is A. हाँ क्योंकि समान अंतर (-4) है / Yes because the common difference is (-4). Each time (4) is subtracted, so the common difference is (-4). A decreasing sequence can also be an arithmetic progression.

Step 3

Exam Tip

हर बार (4) घट रहा है इसलिए समान अंतर (-4) है। घटती हुई श्रेढ़ी भी समानांतर श्रेढ़ी हो सकती है।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(20,16,12,8,\ldots\) क्या समानांतर श्रेढ़ी है? / Is the sequence \(20,16,12,8,\ldots\) an arithmetic progression?

Correct Answer: A. हाँ क्योंकि समान अंतर (-4) है / Yes because the common difference is (-4). Explanation: हर बार (4) घट रहा है इसलिए समान अंतर (-4) है। घटती हुई श्रेढ़ी भी समानांतर श्रेढ़ी हो सकती है। / Each time (4) is subtracted, so the common difference is (-4). A decreasing sequence can also be an arithmetic progression.

Which concept should I revise for this Mathematics MCQ?

Each time (4) is subtracted, so the common difference is (-4). A decreasing sequence can also be an arithmetic progression.

What exam hint can help solve this Mathematics question?

हर बार (4) घट रहा है इसलिए समान अंतर (-4) है। घटती हुई श्रेढ़ी भी समानांतर श्रेढ़ी हो सकती है।