Q. 74.4( 14 Votes )

Zero (0) is
A. the identity for addition of rational numbers.

B. the identity for subtraction of rational numbers.

C. the identity for multiplication of rational numbers.

D. the identity for division of rational numbers.

Answer :

Whenever a number is added to Zero (0) the number obtained is a the same rational number to which it is added.


(b) Incorrect because if we subtract a rational number from 0 the number obtained will not be the same number.


(c) Incorrect because if we multiply 0 with a rational number the number obtained will be 0 and not the number to which 0 was multiplied.


(d) Incorrect because when a number is divided by 0 the result will be undefined.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Quiz | Properties of Rational NumbersQuiz | Properties of Rational NumbersQuiz | Properties of Rational Numbers41 mins
Properties of Rational NumbersProperties of Rational NumbersProperties of Rational Numbers29 mins
Quiz | Imp Qs. on Properties of Rational NumbersQuiz | Imp Qs. on Properties of Rational NumbersQuiz | Imp Qs. on Properties of Rational Numbers45 mins
Extra Questions on Laws of Rational NumbersExtra Questions on Laws of Rational NumbersExtra Questions on Laws of Rational Numbers40 mins
On the Number lineOn the Number lineOn the Number line44 mins
Essentials of Rational NumbersEssentials of Rational NumbersEssentials of Rational Numbers45 mins
Quiz | Imp. Qs. on  Rational NumbersQuiz | Imp. Qs. on  Rational NumbersQuiz | Imp. Qs. on Rational Numbers42 mins
Lets Explore the Number Line - Rational NumbersLets Explore the Number Line - Rational NumbersLets Explore the Number Line - Rational Numbers43 mins
Smart Revision | Quiz on Rational NumberSmart Revision | Quiz on Rational NumberSmart Revision | Quiz on Rational Number45 mins
Missing NumbersMissing NumbersMissing Numbers55 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses