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Mathematics Recursive rule MCQ Questions for Class 9

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Question 81/601 Easy Mathematics Sequences and Progressions Recursive rule Class 9 Level 48

यदि \(a_1=120\) और \(a_{n+1}=a_n-25\) है तो \(a_3\) क्या होगा?

If \(a_1=120\) and \(a_{n+1}=a_n-25\), what is \(a_3\)?

Explanation opens after your attempt

Correct Answer

B. (70)

Explanation

Simple Explanation

पद (120,95,70) हैं इसलिए \(a_3=70\) है। बड़े घटाव में भी चरण न छोड़ें। / The terms are (120,95,70), so \(a_3=70\). Exam tip: do not skip steps even with large subtraction.

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Question 82/601 Easy Mathematics Sequences and Progressions Recursive rule Class 9 Level 48

यदि \(a_1=13\) और \(a_{n+1}=a_n+8\) है तो \(a_4\) क्या होगा?

If \(a_1=13\) and \(a_{n+1}=a_n+8\), what is \(a_4\)?

Explanation opens after your attempt

Correct Answer

C. (37)

Explanation

Simple Explanation

पद (13,21,29,37) हैं इसलिए \(a_4=37\) है। हर बार (8) जोड़ें। / The terms are (13,21,29,37), so \(a_4=37\). Exam tip: add (8) each time.

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Question 83/601 Easy Mathematics Sequences and Progressions Recursive rule Class 9 Level 48

यदि \(a_1=3\) और \(a_{n+1}=5a_n\) है तो \(a_3\) क्या होगा?

If \(a_1=3\) and \(a_{n+1}=5a_n\), what is \(a_3\)?

Explanation opens after your attempt

Correct Answer

D. (75)

Explanation

Simple Explanation

पद (3,15,75) हैं इसलिए \(a_3=75\) है। पिछले पद को (5) से गुणा करें। / The terms are (3,15,75), so \(a_3=75\). Exam tip: multiply the previous term by (5).

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Question 84/601 Easy Mathematics Sequences and Progressions Recursive rule Class 9 Level 48

यदि \(a_1=4\) और \(a_{n+1}=3a_n+1\) है तो \(a_2\) क्या होगा?

If \(a_1=4\) and \(a_{n+1}=3a_n+1\), what is \(a_2\)?

Explanation opens after your attempt

Correct Answer

B. (13)

Explanation

Simple Explanation

\(a_2=3\times4+1=13\) है। अगले पद के लिए सीधे \(a_1\) पर नियम लगाएँ। / \(a_2=3\times4+1=13\). Exam tip: apply the rule directly to \(a_1\) for the next term.

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Question 85/601 Easy Mathematics Sequences and Progressions Recursive rule Class 9 Level 48

यदि \(a_1=36\) और \(a_{n+1}=\frac{a_n}{2}+2\) है तो \(a_2\) क्या होगा?

If \(a_1=36\) and \(a_{n+1}=\frac{a_n}{2}+2\), what is \(a_2\)?

Explanation opens after your attempt

Correct Answer

B. (20)

Explanation

Simple Explanation

\(a_2=\frac{36}{2}+2=20\) है। पहले आधा करें फिर (2) जोड़ें। / \(a_2=\frac{36}{2}+2=20\). Exam tip: halve first and then add (2).

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Question 86/601 Easy Mathematics Sequences and Progressions Recursive rule Class 9 Level 48

यदि \(a_1=2\) और \(a_{n+1}=a_n+4n\) है तो \(a_4\) क्या होगा?

If \(a_1=2\) and \(a_{n+1}=a_n+4n\), what is \(a_4\)?

Explanation opens after your attempt

Correct Answer

D. (26)

Explanation

Simple Explanation

पद (2,6,14,26) हैं इसलिए \(a_4=26\) है। (4n) का मान हर चरण में बदलता है। / The terms are (2,6,14,26), so \(a_4=26\). Exam tip: (4n) changes at every step.

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Question 87/601 Easy Mathematics Sequences and Progressions Recursive rule Class 9 Level 48

यदि \(a_1=30\) और (a_{n+1}=a_n-(n+2)) है तो \(a_3\) क्या होगा?

If \(a_1=30\) and (a_{n+1}=a_n-(n+2)), what is \(a_3\)?

Explanation opens after your attempt

Correct Answer

B. (23)

Explanation

Simple Explanation

पद (30,27,23) हैं इसलिए \(a_3=23\) है। प्रत्येक चरण में (n+2) सही निकालें। / The terms are (30,27,23), so \(a_3=23\). Exam tip: calculate (n+2) correctly at each step.

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Question 88/601 Easy Mathematics Sequences and Progressions Recursive rule Class 9 Level 48

यदि \(a_1=5\), \(a_2=8\) और \(a_n=a_{n-1}+3\) है तो \(a_5\) क्या होगा?

If \(a_1=5\), \(a_2=8\), and \(a_n=a_{n-1}+3\), what is \(a_5\)?

Explanation opens after your attempt

Correct Answer

B. (17)

Explanation

Simple Explanation

पद (5,8,11,14,17) हैं इसलिए \(a_5=17\) है। \(a_n\) पिछले पद से (3) अधिक है। / The terms are (5,8,11,14,17), so \(a_5=17\). Exam tip: \(a_n\) is (3) more than the previous term.

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Question 89/601 Easy Mathematics Sequences and Progressions Recursive rule Class 9 Level 48

यदि \(a_1=2\), \(a_2=4\) और \(a_n=3a_{n-1}\) है तो \(a_4\) क्या होगा?

If \(a_1=2\), \(a_2=4\), and \(a_n=3a_{n-1}\), what is \(a_4\)?

Explanation opens after your attempt

Correct Answer

C. (36)

Explanation

Simple Explanation

\(a_3=12\) और \(a_4=36\) है। पिछले पद को हर बार (3) से गुणा करें। / \(a_3=12\) and \(a_4=36\). Exam tip: multiply the previous term by (3) each time.

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Question 90/601 Easy Mathematics Sequences and Progressions Recursive rule Class 9 Level 48

यदि \(a_1=5\), \(a_2=7\) और \(a_n=a_{n-1}+a_{n-2}\) है तो \(a_6\) क्या होगा?

If \(a_1=5\), \(a_2=7\), and \(a_n=a_{n-1}+a_{n-2}\), what is \(a_6\)?

Explanation opens after your attempt

Correct Answer

B. (36)

Explanation

Simple Explanation

पद (5,7,12,19,31,50) नहीं बल्कि \(a_6=50\) है। दिए गए विकल्पों में सही मान नहीं है। / The terms are (5,7,12,19,31,50), so \(a_6=50\). None of the listed options is correct.

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Mathematics Recursive rule MCQ Questions for Class 9

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Recursive rule Practice Questions

यदि \(a_1=120\) और \(a_{n+1}=a_n-25\) है तो \(a_3\) क्या होगा?

Simple Explanation

यदि \(a_1=13\) और \(a_{n+1}=a_n+8\) है तो \(a_4\) क्या होगा?

Simple Explanation

यदि \(a_1=3\) और \(a_{n+1}=5a_n\) है तो \(a_3\) क्या होगा?

Simple Explanation

यदि \(a_1=4\) और \(a_{n+1}=3a_n+1\) है तो \(a_2\) क्या होगा?

Simple Explanation

यदि \(a_1=36\) और \(a_{n+1}=\frac{a_n}{2}+2\) है तो \(a_2\) क्या होगा?

Simple Explanation

यदि \(a_1=2\) और \(a_{n+1}=a_n+4n\) है तो \(a_4\) क्या होगा?

Simple Explanation

यदि \(a_1=30\) और (a_{n+1}=a_n-(n+2)) है तो \(a_3\) क्या होगा?

Simple Explanation

यदि \(a_1=5\), \(a_2=8\) और \(a_n=a_{n-1}+3\) है तो \(a_5\) क्या होगा?

Simple Explanation

यदि \(a_1=2\), \(a_2=4\) और \(a_n=3a_{n-1}\) है तो \(a_4\) क्या होगा?

Simple Explanation

यदि \(a_1=5\), \(a_2=7\) और \(a_n=a_{n-1}+a_{n-2}\) है तो \(a_6\) क्या होगा?

Simple Explanation

Recursive rule Learning Links

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Mathematics Recursive rule MCQ Questions for Class 9

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Continue Chapter Revision

Recursive rule Practice Questions

यदि \(a_1=120\) और \(a_{n+1}=a_n-25\) है तो \(a_3\) क्या होगा?

Simple Explanation

यदि \(a_1=13\) और \(a_{n+1}=a_n+8\) है तो \(a_4\) क्या होगा?

Simple Explanation

यदि \(a_1=3\) और \(a_{n+1}=5a_n\) है तो \(a_3\) क्या होगा?

Simple Explanation

यदि \(a_1=4\) और \(a_{n+1}=3a_n+1\) है तो \(a_2\) क्या होगा?

Simple Explanation

यदि \(a_1=36\) और \(a_{n+1}=\frac{a_n}{2}+2\) है तो \(a_2\) क्या होगा?

Simple Explanation

यदि \(a_1=2\) और \(a_{n+1}=a_n+4n\) है तो \(a_4\) क्या होगा?

Simple Explanation

यदि \(a_1=30\) और (a_{n+1}=a_n-(n+2)) है तो \(a_3\) क्या होगा?

Simple Explanation

यदि \(a_1=5\), \(a_2=8\) और \(a_n=a_{n-1}+3\) है तो \(a_5\) क्या होगा?

Simple Explanation

यदि \(a_1=2\), \(a_2=4\) और \(a_n=3a_{n-1}\) है तो \(a_4\) क्या होगा?

Simple Explanation

यदि \(a_1=5\), \(a_2=7\) और \(a_n=a_{n-1}+a_{n-2}\) है तो \(a_6\) क्या होगा?

Simple Explanation

Recursive rule Learning Links

Sequences and Progressions Chapter

Easy Recursive rule Test

Mathematics Subject

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