क्रम \(108,99,90,\ldots\) के (n)वें पद का सही नियम कौन सा है?

Which is the correct rule for the (n)th term of \(108,99,90,\ldots\)?

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

A. \(a_n=117-9n\)

Step 1

Concept

Putting (n=1) gives (117-9=108). This rule decreases by (9) each time.

Step 2

Why this answer is correct

The correct answer is A. \(a_n=117-9n\). Putting (n=1) gives (117-9=108). This rule decreases by (9) each time.

Step 3

Exam Tip

(n=1) रखने पर (117-9=108) मिलता है। यह हर बार (9) घटाने वाला नियम है।

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Mathematics Answer, Explanation and Revision Hints

क्रम \(108,99,90,\ldots\) के (n)वें पद का सही नियम कौन सा है? / Which is the correct rule for the (n)th term of \(108,99,90,\ldots\)?

Correct Answer: A. \(a_n=117-9n\). Explanation: (n=1) रखने पर (117-9=108) मिलता है। यह हर बार (9) घटाने वाला नियम है। / Putting (n=1) gives (117-9=108). This rule decreases by (9) each time.

Which concept should I revise for this Mathematics MCQ?

Putting (n=1) gives (117-9=108). This rule decreases by (9) each time.

What exam hint can help solve this Mathematics question?

(n=1) रखने पर (117-9=108) मिलता है। यह हर बार (9) घटाने वाला नियम है।