नियम \(a_n=140-9n\) से बनने वाला (8)वाँ पद क्या है?

What is the (8)th term formed by \(a_n=140-9n\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

C. (68)

Step 1

Concept

Putting (n=8), \(a_8=140-72=68\). Pay attention to the sign in subtraction rules.

Step 2

Why this answer is correct

The correct answer is C. (68). Putting (n=8), \(a_8=140-72=68\). Pay attention to the sign in subtraction rules.

Step 3

Exam Tip

(n=8) रखने पर \(a_8=140-72=68\) है। घटाव वाले नियम में चिन्ह पर ध्यान दें।

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Mathematics Answer, Explanation and Revision Hints

नियम \(a_n=140-9n\) से बनने वाला (8)वाँ पद क्या है? / What is the (8)th term formed by \(a_n=140-9n\)?

Correct Answer: C. (68). Explanation: (n=8) रखने पर \(a_8=140-72=68\) है। घटाव वाले नियम में चिन्ह पर ध्यान दें। / Putting (n=8), \(a_8=140-72=68\). Pay attention to the sign in subtraction rules.

Which concept should I revise for this Mathematics MCQ?

Putting (n=8), \(a_8=140-72=68\). Pay attention to the sign in subtraction rules.

What exam hint can help solve this Mathematics question?

(n=8) रखने पर \(a_8=140-72=68\) है। घटाव वाले नियम में चिन्ह पर ध्यान दें।