Medium Mathematics Chapter 1: Real Numbers Class 10 Level 14

कौन-सा कथन सही है?

Which statement is correct?

Explanation opens after your attempt
Correct Answer

C. अशून्य परिमेय संख्या और अपरिमेय संख्या का गुणनफल अपरिमेय होता हैThe product of a non-zero rational number and an irrational number is irrational

Step 1

Concept

A non-zero rational multiplier does not remove irrationality.

Step 2

Why this answer is correct

For example, \(5\sqrt{2}\) remains irrational.

Step 3

Exam Tip

Testing always-type statements with examples is a good habit. चरण 1: अशून्य परिमेय गुणक अपरिमेयता को खत्म नहीं करता। चरण 2: जैसे \(5\sqrt{2}\) अपरिमेय रहता है। चरण 3: हमेशा वाले कथनों को उदाहरण से जांचना अच्छी आदत है।

FAQs

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What is the correct answer to this Mathematics MCQ?

The correct answer is C. अशून्य परिमेय संख्या और अपरिमेय संख्या का गुणनफल अपरिमेय होता है / The product of a non-zero rational number and an irrational number is irrational.

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