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closure addition MCQ Questions for Class 9

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

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2 questions tagged with closure addition.

Question 1/2 Easy Mathematics Number Systems Real Numbers Class 9 Level 4

दो वास्तविक संख्याओं का योग हमेशा किस प्रकार की संख्या होता है?

The sum of two real numbers is always what type of number?

Explanation opens after your attempt
Correct Answer

A. वास्तविक संख्याReal number

Step 1

Concept

Real numbers are closed under addition. The sum of two real numbers is always a real number.

Step 2

Why this answer is correct

The correct answer is A. वास्तविक संख्या / Real number. Real numbers are closed under addition. The sum of two real numbers is always a real number.

Step 3

Exam Tip

वास्तविक संख्याएँ योग के लिए संवृत होती हैं। दो वास्तविक संख्याओं का योग वास्तविक संख्या ही होता है।

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Question 2/2 Easy Mathematics Number Systems Rational numbers Class 9 Level 3

दो परिमेय संख्याओं का योग हमेशा क्या होता है?

The sum of two rational numbers is always what?

Explanation opens after your attempt
Correct Answer

B. परिमेय संख्याRational number

Step 1

Concept

Rational numbers are closed under addition. The sum of two rational numbers is also rational.

Step 2

Why this answer is correct

The correct answer is B. परिमेय संख्या / Rational number. Rational numbers are closed under addition. The sum of two rational numbers is also rational.

Step 3

Exam Tip

परिमेय संख्याएँ योग के लिए संवृत होती हैं। दो परिमेय संख्याओं का योग भी परिमेय होता है।

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