समांतर श्रेणी \(120,110,100,90,\ldots\) में पाँचवाँ पद क्या है?

What is the fifth term in the arithmetic progression \(120,110,100,90,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (80)

Step 1

Concept

The common difference is (-10), so the fifth term is (80). In exams, count in the correct direction for decreasing terms.

Step 2

Why this answer is correct

The correct answer is C. (80). The common difference is (-10), so the fifth term is (80). In exams, count in the correct direction for decreasing terms.

Step 3

Exam Tip

सार्व अंतर (-10) है, इसलिए पाँचवाँ पद (80) है। परीक्षा में घटते पदों में सही दिशा में गिनें।

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Mathematics Answer, Explanation and Revision Hints

समांतर श्रेणी \(120,110,100,90,\ldots\) में पाँचवाँ पद क्या है? / What is the fifth term in the arithmetic progression \(120,110,100,90,\ldots\)?

Correct Answer: C. (80). Explanation: सार्व अंतर (-10) है, इसलिए पाँचवाँ पद (80) है। परीक्षा में घटते पदों में सही दिशा में गिनें। / The common difference is (-10), so the fifth term is (80). In exams, count in the correct direction for decreasing terms.

Which concept should I revise for this Mathematics MCQ?

The common difference is (-10), so the fifth term is (80). In exams, count in the correct direction for decreasing terms.

What exam hint can help solve this Mathematics question?

सार्व अंतर (-10) है, इसलिए पाँचवाँ पद (80) है। परीक्षा में घटते पदों में सही दिशा में गिनें।