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add-nine MCQ Questions for Class 9

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2 questions tagged with add-nine.

Question 1/2 Easy Mathematics Sequences and Progressions Recursive rule Class 9 Level 49

यदि \(a_1=16\) और \(a_{n+1}=a_n+9\) है तो \(a_4\) क्या होगा?

If \(a_1=16\) and \(a_{n+1}=a_n+9\), what is \(a_4\)?

Explanation opens after your attempt
Correct Answer

C. (43)

Step 1

Concept

The terms are (16,25,34,43), so \(a_4=43\). Exam tip: add (9) each time.

Step 2

Why this answer is correct

The correct answer is C. (43). The terms are (16,25,34,43), so \(a_4=43\). Exam tip: add (9) each time.

Step 3

Exam Tip

पद (16,25,34,43) हैं इसलिए \(a_4=43\) है। हर बार (9) जोड़ें।

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Question 2/2 Easy Mathematics Sequences and Progressions Recursive rule Class 9 Level 47

यदि \(a_1=5\) और \(a_{n+1}=a_n+9\) है तो \(a_4\) का मान क्या होगा?

If \(a_1=5\) and \(a_{n+1}=a_n+9\), what is the value of \(a_4\)?

Explanation opens after your attempt
Correct Answer

C. (32)

Step 1

Concept

The terms are (5,14,23,32), so \(a_4=32\). Exam tip: repeat the constant addition at every step.

Step 2

Why this answer is correct

The correct answer is C. (32). The terms are (5,14,23,32), so \(a_4=32\). Exam tip: repeat the constant addition at every step.

Step 3

Exam Tip

पद (5,14,23,32) हैं इसलिए \(a_4=32\) है। समान जोड़ को हर चरण में दोहराएँ।

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