Concept-wise Practice

one MCQ Questions for Class 10

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

All Tags Search Similar

Practice Questions

3 questions tagged with one.

Question 1/3 Easy Mathematics Real Numbers Fundamental Theorem of Arithmetic Class 10 Level 6

संख्या 1 को अभाज्य क्यों नहीं माना जाता?

Why is 1 not considered a prime number?

Explanation opens after your attempt
Correct Answer

A. क्योंकि उसके ठीक दो धनात्मक भाजक नहीं होतेBecause it does not have exactly two positive factors

Step 1

Concept

A prime number has exactly two positive factors.

Step 2

Why this answer is correct

1 has only one positive factor, 1.

Step 3

Exam Tip

Therefore, 1 is neither prime nor composite. चरण 1: अभाज्य संख्या के ठीक दो धनात्मक भाजक होते हैं। चरण 2: 1 का केवल एक धनात्मक भाजक 1 है। चरण 3: इसलिए 1 न अभाज्य है और न संयुक्त।

Open Question Page
Ask Friends
Question 2/3 Easy Mathematics Real Numbers Fundamental Theorem of Arithmetic 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।

Open Question Page
Ask Friends
Question 3/3 Easy Mathematics Real Numbers Fundamental Theorem of Arithmetic Class 10 Level 4

निम्न में से कौन सा कथन सही है?

Which of the following statements is correct?

Explanation opens after your attempt
Correct Answer

A. 1 न तो अभाज्य है और 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 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 और न संयुक्त। चरण 3: 1 को अभाज्य मानना आम गलती है।

Open Question Page
Ask Friends

one Revision Links

All MCQ Tags

Browse concept directory

All Subjects

Subject-wise practice

Search one

More keyword results