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doubling-differences MCQ Questions for Class 9

doubling-differences se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

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2 questions tagged with doubling-differences.

Question 1/2 Expert Mathematics Sequences and Progressions Sequences Class 9 Level 43

अनुक्रम \(10,13,19,31,55,\ldots\) में हर बार जोड़ा गया पद दोगुना होता है। अगला पद क्या होगा?

In the sequence \(10,13,19,31,55,\ldots\), the added term doubles each time. What will be the next term?

Explanation opens after your attempt
Correct Answer

D. (103)

Step 1

Concept

The differences are (3,6,12,24), so the next difference is (48). Thus (55+48=103).

Step 2

Why this answer is correct

The correct answer is D. (103). The differences are (3,6,12,24), so the next difference is (48). Thus (55+48=103).

Step 3

Exam Tip

अंतर (3,6,12,24) हैं इसलिए अगला अंतर (48) होगा। (55+48=103) है।

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Question 2/2 Hard Mathematics Sequences and Progressions Sequences Class 9 Level 44

अनुक्रम \(7,10,16,28,52,\ldots\) में हर बार जोड़ा गया पद दोगुना हो रहा है। अगला पद क्या होगा?

In the sequence \(7,10,16,28,52,\ldots\), the added amount doubles each time. What is the next term?

Explanation opens after your attempt
Correct Answer

D. (100)

Step 1

Concept

The differences are (3,6,12,24), so the next difference is (48). Thus (52+48=100).

Step 2

Why this answer is correct

The correct answer is D. (100). The differences are (3,6,12,24), so the next difference is (48). Thus (52+48=100).

Step 3

Exam Tip

अंतर (3,6,12,24) हैं इसलिए अगला अंतर (48) होगा। (52+48=100) मिलता है।

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