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changing-differences MCQ Questions for Class 9

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1 questions tagged with changing-differences.

Question 1/1 Hard Mathematics Sequences and Progressions Sequences Class 9 Level 44

अनुक्रम \(7,14,23,34,47,\ldots\) में पहला अंतर (7) है और हर बार अंतर (2) बढ़ता है। छठा पद क्या होगा?

In the sequence \(7,14,23,34,47,\ldots\), the first difference is (7) and each difference increases by (2). What is the sixth term?

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Correct Answer

D. (62)

Step 1

Concept

The next difference is (15), so the sixth term is (47+15=62). Exam tip: write changing differences separately.

Step 2

Why this answer is correct

The correct answer is D. (62). The next difference is (15), so the sixth term is (47+15=62). Exam tip: write changing differences separately.

Step 3

Exam Tip

अगला अंतर (15) होगा इसलिए छठा पद (47+15=62) है। बदलते अंतरों को अलग पंक्ति में लिखना उपयोगी रहता है।

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