गुणोत्तर श्रेढ़ी \(1,3,9,27,\ldots\) में (81) कौन-सा पद है?

In the geometric progression \(1,3,9,27,\ldots\), which term is (81)?

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Correct Answer

B. (5)वाँ(5)th

Step 1

Concept

The terms are (1,3,9,27,81), so (81) is the fifth term. Identify powers in order.

Step 2

Why this answer is correct

The correct answer is B. (5)वाँ / (5)th. The terms are (1,3,9,27,81), so (81) is the fifth term. Identify powers in order.

Step 3

Exam Tip

पद (1,3,9,27,81) हैं, इसलिए (81) पाँचवाँ पद है। घातों को क्रम से पहचानें।

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Mathematics Answer, Explanation and Revision Hints

गुणोत्तर श्रेढ़ी \(1,3,9,27,\ldots\) में (81) कौन-सा पद है? / In the geometric progression \(1,3,9,27,\ldots\), which term is (81)?

Correct Answer: B. (5)वाँ / (5)th. Explanation: पद (1,3,9,27,81) हैं, इसलिए (81) पाँचवाँ पद है। घातों को क्रम से पहचानें। / The terms are (1,3,9,27,81), so (81) is the fifth term. Identify powers in order.

Which concept should I revise for this Mathematics MCQ?

The terms are (1,3,9,27,81), so (81) is the fifth term. Identify powers in order.

What exam hint can help solve this Mathematics question?

पद (1,3,9,27,81) हैं, इसलिए (81) पाँचवाँ पद है। घातों को क्रम से पहचानें।