Learn Maths Rational Numbers, Class 8 Maths Rational Numbers Exercise, Free Online Rational Numbers Lessons

Class 8 Maths Study Material

An Educational platform for Preparation and Practice Class 8. Kidsfront provide unique pattern of learning Maths with free online comprehensive study material in the form of QUESTION & ANSWER for each Chapter of Maths for Class 8. This study material help Class 8, Maths students in learning every aspect of Rational Numbers. Students can understand Rational Numbers concept easily and consolidate their learning by doing Online Practice Tests on Maths,Rational Numbers chapter repeatedly till they excel in Class 8, Rational Numbers. Free ONLINE PRACTICE TESTS on Class 8, Rational Numbers comprise of Hundreds of Questions on Rational Numbers, prepared by the highly professionals team. Every repeat test of Rational Numbers will have new set of questions and help students to prepare themselves for exams by doing unlimited Online Test exercise on Rational Numbers. Attempt ONLINE TEST on Class 8,Maths,Rational Numbers in Academics section after completing this Rational Numbers Question Answer Exercise.

Unique pattern

Topic wise:Rational Numbers preparation in the form of QUESTION & ANSWER.
Evaluate preparation by doing ONLINE TEST of Class 8, Maths,Rational Numbers.
Review performance in PRACTICE TEST and do further learning on weak areas.
Attempt repeat ONLINE TESTS of Maths Rational Numbers till you excel.
Evaluate your progress by doing ONLINE MOCK TEST of Class 8, Maths, All TOPICS.

Rational Numbers

A/B * C/D ispostive(denominators are positive) only if :

a) Both are positive

b) Both are negative

c) One positive and one negative

d) Both a and b

✔Answer

Correct Answer Is : Both a and b

Solution Is :

2 fractions are A/B and C/D are added as:

a) (A+B)/(C+D)

b) (AB)+(CD)

c) (AD+BC)/(BD)

d) (AB+CD)

✔Answer

Correct Answer Is : (AD+BC)/(BD)

Solution Is :

2 fractions are A/B and C/D are substracted as:

a) (AB-CD)

b) (AC-BD)/AC

c) AC-BD

d) (AD-BC)/BD

✔Answer

Correct Answer Is : (AD-BC)/BD

Solution Is :

2 fractions are A/B and C/D are multiplied as:

a) AC/BD

b) AD/BC

c) AB/CD

d) ABCD

✔Answer

Correct Answer Is : AD/BC

Solution Is :

2 fractions are A/B and C/D are divided as:

a) (A/B)*(D/C)

b) A/C

c) (A/D)*(D/C)

d) D/C

✔Answer

Correct Answer Is : (A/B)*(D/C)

Solution Is :

Sum, difference, product of rational number is:

a) Rational number

b) Whole number

c) Natural number

d) None of these

✔Answer

Correct Answer Is : Rational number

Solution Is :

A and B are 2 rational numbers, if A+B=B+A, then this is :

a) Closure law

b) Associative law

c) Addition law

d) Commutative law

✔Answer

Correct Answer Is : Commutative law

Solution Is :

A, B and C are 2 rational numbers, if (A+B)+C=A+(B+C), then this is :

a) Associative law

b) Addition law

c) Closure law

d) Commutative law

✔Answer

Correct Answer Is : Associative law

Solution Is :

If P,Q and R are rational numbers, then P(Q-R) = PQ - QR is called as:

a) Commutative property

b) Distributive property

c) Addition property

d) Substraction property

✔Answer

Correct Answer Is : Distributive property

Solution Is :

Which operation is not commucative for rational numbers?

a) Substraction

b) Division

c) Multiplication

d) Both A and B

✔Answer

Correct Answer Is : Both A and B

Solution Is :

PREVIOUS NEXT

Coloring With Vigor

Stories & Rhymes

Exploration

English

Maths

Puzzles

Class 8 Maths Study Material

Rational Numbers

A/B * C/D ispostive(denominators are positive) only if :

Correct Answer Is : Both a and b

Solution Is :

2 fractions are A/B and C/D are added as:

Correct Answer Is : (AD+BC)/(BD)

Solution Is :

2 fractions are A/B and C/D are substracted as:

Correct Answer Is : (AD-BC)/BD

Solution Is :

2 fractions are A/B and C/D are multiplied as:

Correct Answer Is : AD/BC

Solution Is :

2 fractions are A/B and C/D are divided as:

Correct Answer Is : (A/B)*(D/C)

Solution Is :

Sum, difference, product of rational number is:

Correct Answer Is : Rational number

Solution Is :

A and B are 2 rational numbers, if A+B=B+A, then this is :

Correct Answer Is : Commutative law

Solution Is :

A, B and C are 2 rational numbers, if (A+B)+C=A+(B+C), then this is :

Correct Answer Is : Associative law

Solution Is :

If P,Q and R are rational numbers, then P(Q-R) = PQ - QR is called as:

Correct Answer Is : Distributive property

Solution Is :

Which operation is not commucative for rational numbers?

Correct Answer Is : Both A and B

Solution Is :

Other Topics

Kids Learning

Academics

Competitive Exams

Govt. Jobs Exams