Q. 3
The numerical expression
shows that
A. rational numbers are closed under addition.
B. rational numbers are not closed under addition.
C. rational numbers are closed under multiplication.
D. addition of rational numbers is not commutative.
Answer :
+ (
) =
In the given expression the addition of two rational numbers is given and the result obtained is also a rational number.
(b) Incorrect as (a) is true and proved.
(c) Incorrect the operation performed is addition not Multiplication (Irrelevant option).
(d) Incorrect no commutative operation is performed here (Irrelevant option).
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Properties of Rational Numbers29 mins
Quiz | Imp Qs. on Properties of Rational Numbers45 mins
Extra Questions on Laws of Rational Numbers40 mins
Quiz | Properties of Rational Numbers41 mins
On the Number line44 mins
Essentials of Rational Numbers45 mins
Quiz | Imp. Qs. on Rational Numbers42 mins
Lets Explore the Number Line - Rational Numbers43 mins
Smart Revision | Quiz on Rational Number45 mins
Missing Numbers55 mins




















Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
view all courses
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation


RELATED QUESTIONS :
Verify the property: by taking:
(i)
(ii)
(iii)
(iv)
The sum of the two numbers is . If one of the numbers is
, find the other
The sum of two numbers is . If one of the numbers is
, find the other
Tell which property allows you to compare
Find the multiplicative inverse of
(i)
(ii)
What number should be addede to to get
?