Concept-wise Practice

decreasing_rule MCQ Questions for Class 9

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

Practice Questions

8 questions tagged with decreasing_rule.

यदि \(a_n=55-4n\) है, तो \(a_{11}\) क्या होगा?

If \(a_n=55-4n\), what is \(a_{11}\)?

Explanation opens after your attempt
Correct Answer

C. (11)

Step 1

Concept

(a_{11}=55-4(11)=11). Be careful with subtraction in a decreasing rule.

Step 2

Why this answer is correct

The correct answer is C. (11). (a_{11}=55-4(11)=11). Be careful with subtraction in a decreasing rule.

Step 3

Exam Tip

(a_{11}=55-4(11)=11)। घटते नियम में घटाव सावधानी से करें।

Open Question Page
Ask Friends

यदि \(a_n=40-3n\) है, तो \(a_{12}\) क्या होगा?

If \(a_n=40-3n\), what is \(a_{12}\)?

Explanation opens after your attempt
Correct Answer

B. (4)

Step 1

Concept

(a_{12}=40-3(12)=4). Be careful with subtraction in a decreasing rule.

Step 2

Why this answer is correct

The correct answer is B. (4). (a_{12}=40-3(12)=4). Be careful with subtraction in a decreasing rule.

Step 3

Exam Tip

(a_{12}=40-3(12)=4)। घटते नियम में घटाव सावधानी से करें।

Open Question Page
Ask Friends

यदि \(a_n=25-2n\) है, तो \(a_{10}\) क्या होगा?

If \(a_n=25-2n\), what is \(a_{10}\)?

Explanation opens after your attempt
Correct Answer

B. (5)

Step 1

Concept

(a_{10}=25-2(10)=5). Be careful with subtraction in a decreasing rule.

Step 2

Why this answer is correct

The correct answer is B. (5). (a_{10}=25-2(10)=5). Be careful with subtraction in a decreasing rule.

Step 3

Exam Tip

(a_{10}=25-2(10)=5)। घटते नियम में घटाव सावधानी से करें।

Open Question Page
Ask Friends

यदि \(a_1=180\) और हर अगले पद में (13) घटाया जाता है, तो \(a_{10}\) क्या होगा?

If \(a_1=180\) and (13) is subtracted for each next term, what is \(a_{10}\)?

Explanation opens after your attempt
Correct Answer

A. (63)

Step 1

Concept

\(a_{10}=180-9\times13=63\). There are (9) subtractions before the (10)th term.

Step 2

Why this answer is correct

The correct answer is A. (63). \(a_{10}=180-9\times13=63\). There are (9) subtractions before the (10)th term.

Step 3

Exam Tip

\(a_{10}=180-9\times13=63\) है। (10)वें पद तक (9) बार घटाव होगा।

Open Question Page
Ask Friends

यदि \(a_1=130\) और हर अगले पद में (11) घटाया जाता है, तो \(a_9\) क्या होगा?

If \(a_1=130\) and (11) is subtracted for each next term, what is \(a_9\)?

Explanation opens after your attempt
Correct Answer

B. (42)

Step 1

Concept

\(a_9=130-8\times11=42\). There are (8) subtractions before the (9)th term.

Step 2

Why this answer is correct

The correct answer is B. (42). \(a_9=130-8\times11=42\). There are (8) subtractions before the (9)th term.

Step 3

Exam Tip

\(a_9=130-8\times11=42\) है। (9)वें पद तक (8) बार घटाव होगा।

Open Question Page
Ask Friends

यदि \(a_1=96\) और हर अगले पद में (9) घटाया जाता है, तो \(a_7\) क्या होगा?

If \(a_1=96\) and (9) is subtracted for each next term, what is \(a_7\)?

Explanation opens after your attempt
Correct Answer

B. (42)

Step 1

Concept

\(a_7=96-6\times9=42\). There are (6) subtractions before the (7)th term.

Step 2

Why this answer is correct

The correct answer is B. (42). \(a_7=96-6\times9=42\). There are (6) subtractions before the (7)th term.

Step 3

Exam Tip

\(a_7=96-6\times9=42\) है। (7)वें पद तक (6) बार घटाव होगा।

Open Question Page
Ask Friends

यदि \(a_1=72\) और हर अगले पद में (8) घटाया जाता है, तो \(a_6\) क्या होगा?

If \(a_1=72\) and (8) is subtracted for each next term, what is \(a_6\)?

Explanation opens after your attempt
Correct Answer

B. (32)

Step 1

Concept

\(a_6=72-5\times8=32\). There are (5) subtractions before the (6)th term.

Step 2

Why this answer is correct

The correct answer is B. (32). \(a_6=72-5\times8=32\). There are (5) subtractions before the (6)th term.

Step 3

Exam Tip

\(a_6=72-5\times8=32\) है। (6)ठे पद तक (5) बार घटाव होगा।

Open Question Page
Ask Friends

यदि \(a_1=50\) और हर अगले पद में (7) घटाया जाता है, तो \(a_5\) क्या होगा?

If \(a_1=50\) and (7) is subtracted for each next term, what is \(a_5\)?

Explanation opens after your attempt
Correct Answer

B. (22)

Step 1

Concept

\(a_5=50-4\times7=22\). There are (4) subtractions before the fifth term.

Step 2

Why this answer is correct

The correct answer is B. (22). \(a_5=50-4\times7=22\). There are (4) subtractions before the fifth term.

Step 3

Exam Tip

\(a_5=50-4\times7=22\) है। पाँचवें पद तक (4) बार घटाव होगा।

Open Question Page
Ask Friends