Concept-wise Practice

surd MCQ Questions for Class 10

surd se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

1 questions tagged with surd.

Question 1/1 Hard Mathematics Chapter 1: Real Numbers 5: Irrational numbers Class 10 Level 14

यदि \(x=\sqrt{5}-2\), तो (x) के बारे में सही कथन कौन-सा है?

If \(x=\sqrt{5}-2\), which statement about (x) is correct?

Explanation opens after your attempt
Correct Answer

B. (x) अपरिमेय है(x) is irrational

Step 1

Concept

\(\sqrt{5}\) is irrational and (2) is rational.

Step 2

Why this answer is correct

Subtracting a rational number from an irrational number gives an irrational number.

Step 3

Exam Tip

When an integer is subtracted from a surd, focus on the nature of the surd. चरण 1: \(\sqrt{5}\) अपरिमेय है और (2) परिमेय है। चरण 2: अपरिमेय संख्या में से परिमेय संख्या घटाने पर परिणाम अपरिमेय रहता है। चरण 3: किसी मूल से पूर्णांक घटाने पर भी मूल की प्रकृति पर ध्यान दें।

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