Easy Mathematics Chapter 1: Real Numbers Class 10 Level 5

संख्या 1 के बारे में सही कथन कौन सा है?

Which statement about the number 1 is correct?

Explanation opens after your attempt
Correct Answer

A. 1 न अभाज्य है न संयुक्त1 is neither prime nor composite

Step 1

Concept

A prime number must have exactly two positive factors.

Step 2

Why this answer is correct

1 has only one positive factor, 1, so it is neither prime nor composite.

Step 3

Exam Tip

Treating 1 as prime is a common exam mistake. चरण 1: अभाज्य संख्या के ठीक दो धनात्मक भाजक होने चाहिए। चरण 2: 1 का केवल एक धनात्मक भाजक 1 है, इसलिए वह न अभाज्य है न संयुक्त। चरण 3: 1 को अभाज्य मानना परीक्षा में आम गलती है।

FAQs

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What is the correct answer to this Mathematics MCQ?

The correct answer is A. 1 न अभाज्य है न संयुक्त / 1 is neither prime nor composite.

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