यदि (k)वाँ कर्ण \(\sqrt{k}\) माना जाए, तो \(\sqrt{81}\) कौन-सा कर्ण होगा और उसका मान क्या होगा?

If the (k)-th hypotenuse is considered \(\sqrt{k}\), which hypotenuse is \(\sqrt{81}\), and what is its value?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (81)वाँ, (9)(81)-th, (9)

Step 1

Concept

If the (k)-th hypotenuse is \(\sqrt{k}\), then \(\sqrt{81}\) is the (81)-th hypotenuse. Also, \(\sqrt{81}=9\).

Step 2

Why this answer is correct

The correct answer is B. (81)वाँ, (9) / (81)-th, (9). If the (k)-th hypotenuse is \(\sqrt{k}\), then \(\sqrt{81}\) is the (81)-th hypotenuse. Also, \(\sqrt{81}=9\).

Step 3

Exam Tip

यदि (k)वाँ कर्ण \(\sqrt{k}\) है, तो \(\sqrt{81}\) (81)वाँ कर्ण है। \(\sqrt{81}=9\) होता है।

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Mathematics Answer, Explanation and Revision Hints

यदि (k)वाँ कर्ण \(\sqrt{k}\) माना जाए, तो \(\sqrt{81}\) कौन-सा कर्ण होगा और उसका मान क्या होगा? / If the (k)-th hypotenuse is considered \(\sqrt{k}\), which hypotenuse is \(\sqrt{81}\), and what is its value?

Correct Answer: B. (81)वाँ, (9) / (81)-th, (9). Explanation: यदि (k)वाँ कर्ण \(\sqrt{k}\) है, तो \(\sqrt{81}\) (81)वाँ कर्ण है। \(\sqrt{81}=9\) होता है। / If the (k)-th hypotenuse is \(\sqrt{k}\), then \(\sqrt{81}\) is the (81)-th hypotenuse. Also, \(\sqrt{81}=9\).

Which concept should I revise for this Mathematics MCQ?

If the (k)-th hypotenuse is \(\sqrt{k}\), then \(\sqrt{81}\) is the (81)-th hypotenuse. Also, \(\sqrt{81}=9\).

What exam hint can help solve this Mathematics question?

यदि (k)वाँ कर्ण \(\sqrt{k}\) है, तो \(\sqrt{81}\) (81)वाँ कर्ण है। \(\sqrt{81}=9\) होता है।