RATIONAL NUMBERS Class VIII

JavaScript isn't enabled in your browser, so this file can't be opened. Enable and reload.

Properties of Rational numbers

Email *

Name , class & roll No.

1. Divide - 2/3 by -4/3 and express the answer in its lowest terms. *

1 point

-1

1/2

-1/2

2/4

2. Which of the following is true for rational numbers? *

1 point

Closure property holds good for subtraction but not for addition.

Commutative property holds good for subtraction but not for addition.

Commutative property holds good for addition but not for subtraction.

Closure property holds good for addition but not for subtraction.

3. The identity of addition and multiplication are respectively *

1 point

1 and 1

0 and 1

1 and 0

0 and 0

4. The absolute value of -2/4 is *

1 point

-1

2/4

infinite

-1/2

5. A number which can be expressed as p/q where p and q are integers and q ≠ 0 is *

1 point

natural number

whole number.

rational number.

integer

6. A number of the form p/q is said to be a rational number if *

1 point

p and q are integers.

p and q are integers and p ≠ 0 also q ≠ 0.

p and q are integers and p ≠ 0

p and q are integers and q ≠ 0

7. -3/8 +1/7 =1/7 + (- 3/8) is an example to show that *

1 point

rational numbers are distributive under addition

rational numbers are closed under addition.

addition of rational numbers is commutative

addition of rational number is associative.

8. Zero (0) is *

1 point

the identity for division of rational numbers.

the identity for addition of rational numbers.

the identity for subtraction of rational numbers.

the identity for multiplication of rational numbers.

9. One (1) is the identity for *

1 point

subtraction of rational number

division of rational numbers.

addition of rational numbers.

multiplication of rational numbers.

10. Multiplicative inverse of a negative rational number is *

1 point

a negative rational number.

a positive rational number

A copy of your responses will be emailed to the address you provided.

Submit

Clear form

Never submit passwords through Google Forms.

reCAPTCHA

Privacy Terms

This form was created inside of Mount Carmel School. Report Abuse

Forms