किस विकल्प का मान अपरिमेय है?

Which option has an irrational value?

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

C. \(\sqrt{7}+\sqrt{28}\)

Step 1

Concept

\(\sqrt{7}+\sqrt{28}=3\sqrt{7}\), which is irrational. In the other options the radicals simplify to rational values.

Step 2

Why this answer is correct

The correct answer is C. \(\sqrt{7}+\sqrt{28}\). \(\sqrt{7}+\sqrt{28}=3\sqrt{7}\), which is irrational. In the other options the radicals simplify to rational values.

Step 3

Exam Tip

\(\sqrt{7}+\sqrt{28}=3\sqrt{7}\) है जो अपरिमेय है। बाकी विकल्पों में मूल हटकर परिमेय मान मिलते हैं।

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Mathematics Answer, Explanation and Revision Hints

किस विकल्प का मान अपरिमेय है? / Which option has an irrational value?

Correct Answer: C. \(\sqrt{7}+\sqrt{28}\). Explanation: \(\sqrt{7}+\sqrt{28}=3\sqrt{7}\) है जो अपरिमेय है। बाकी विकल्पों में मूल हटकर परिमेय मान मिलते हैं। / \(\sqrt{7}+\sqrt{28}=3\sqrt{7}\), which is irrational. In the other options the radicals simplify to rational values.

Which concept should I revise for this Mathematics MCQ?

\(\sqrt{7}+\sqrt{28}=3\sqrt{7}\), which is irrational. In the other options the radicals simplify to rational values.

What exam hint can help solve this Mathematics question?

\(\sqrt{7}+\sqrt{28}=3\sqrt{7}\) है जो अपरिमेय है। बाकी विकल्पों में मूल हटकर परिमेय मान मिलते हैं।