MCQ Questions for Class 8 Maths Chapter 1 Rational Numbers with Answers

Students can access the NCERT MCQ Questions for Class 8 Maths Chapter 1 Rational Numbers with Answers Pdf free download aids in your exam preparation and you can get a good hold of the chapter. Use MCQ Questions for Class 8 Maths with Answers during preparation and score maximum marks in the exam. Students can download the Rational Numbers Class 8 MCQs Questions with Answers from here and test their problem-solving skills. Clear all the fundamentals and prepare thoroughly for the exam taking help from Class 8 Maths Chapter 1 Rational Numbers Objective Questions.

Rational Numbers Class 8 MCQs Questions with Answers

Students are advised to solve the Rational Numbers Multiple Choice Questions of Class 8 Maths to know different concepts. Practicing the MCQ Questions on Rational Numbers Class 8 with answers will boost your confidence thereby helping you score well in the exam.

Explore numerous MCQ Questions of Rational Numbers Class 8 with answers provided with detailed solutions by looking below.

Question 1.
Which of the following forms a pair of equivalent rational numbers?
(a) $$\frac { 24 }{ 40 }$$ and $$\frac { 35 }{ 50 }$$
(b) $$\frac { -25 }{ 35 }$$ and $$\frac { 55 }{ -77 }$$
(c) $$\frac { -8 }{ 15 }$$ and $$\frac { -24 }{ 48 }$$
(d) $$\frac { 9 }{ 72 }$$ and $$\frac { -3 }{ 21 }$$

Answer

Answer: (b) $$\frac { -25 }{ 35 }$$ and $$\frac { 55 }{ -77 }$$

Question 2.
Which number is in the middle if $$\frac { -1 }{ 6 }$$, $$\frac { 4 }{ 9 }$$, $$\frac { 6 }{ -7 }$$, $$\frac { 2 }{ 5 }$$ and $$\frac { -3 }{ 4 }$$ arranged in descending order?
(a) $$\frac { 2 }{ 5 }$$
(b) $$\frac { 4 }{ 9 }$$
(c) $$\frac { -1 }{ 6 }$$
(d) $$\frac { -6 }{ 7 }$$

Answer

Answer: (c) $$\frac { -1 }{ 6 }$$

Question 3.
Find the multiplicative inverse of -13.
(a) 13
(b) -13
(c) $$\frac { -1 }{ 13 }$$
(d) 12

Answer

Answer: (c) $$\frac { -1 }{ 13 }$$

Question 4.
Which of the following statements is true?
(a) Every fraction is a rational number.
(b) Every rational number is a fraction.
(c) Every integer is a rational number.
(d) Both (a) and (c).

Answer

Answer: (d) Both (a) and (c).

Question 5.
Which of the following is the identity element under addition?
(a) 1
(b) -1
(c) 0
(d) None of these

Answer

Answer: (c) 0

Question 6.
What is the additive inverse of $$\frac { -2 }{ 3 }$$?
(a) 0
(b) 1
(c) $$\frac { 2 }{ 3 }$$
(d) $$\frac { -2 }{ 3 }$$

Answer

Answer: (c) $$\frac { 2 }{ 3 }$$

Question 7.
Write the additive inverse of $$\frac { 4 }{ 5 }$$.
(a) 1
(b) $$\frac {-4 }{ 5 }$$
(c) $$\frac { 4 }{ 5 }$$
(d) 0

Answer

Answer: (b) $$\frac {-4 }{ 5 }$$

Question 8.
Which among the following is a rational number equivalent to $$\frac { -5 }{ -3 }$$ ?
(a) $$\frac { -25 }{ 15 }$$
(b) $$\frac { 25 }{ -15 }$$
(c) $$\frac { 25 }{ 15 }$$
(d) $$\frac { -25 }{ 30 }$$

Answer

Answer: (c) $$\frac { 25 }{ 15 }$$

Question 9.
Which of the following is the reciprocal of the reciprocal of a rational number?
(a) -1
(b) 1
(c) 0
(d) The number itself

Answer

Answer: (d) The number itself

Question 10.
How is $$\frac { -28 }{ 84 }$$ expressed as a rational number with numerator 4?
(a) $$\frac { 4 }{ 7 }$$
(b) $$\frac { -4 }{ 12 }$$
(c) $$\frac { 4 }{ 12 }$$
(d) $$\frac { 4 }{ -7 }$$

Answer

Answer: (b) $$\frac { -4 }{ 12 }$$

Question 11.
The value of $$\frac { 1 }{ 2 }$$ × $$\frac { 3 }{ 5 }$$ is equal to:
(a) $$\frac { 1 }{ 2 }$$
(b) $$\frac { 3 }{ 10 }$$
(c) $$\frac { 3 }{ 5 }$$
(d) $$\frac { 2 }{ 5 }$$

Answer

Answer: (b) $$\frac { 3 }{ 10 }$$

Question 12.
What should be subtracted from $$\frac { -7 }{ 11 }$$ to get −2?
(a) $$\frac { 15 }{ 11 }$$
(b) $$\frac { -15 }{ 11 }$$
(c) $$\frac { 29 }{ 11 }$$
(d) $$\frac { -29 }{ 11 }$$

Answer

Answer: (a) $$\frac { 15 }{ 11 }$$

Question 13.
Which of the following is the Multiplicative identity for rational numbers?
(a) 1
(b) -1
(c) 0
(d) None of these

Answer

Answer: (a) 1

Question 14.
________ is not associative for rational numbers.
(a) Subtraction or Division
(b) Addition or Multiplication
(c) Addition or Division
(d) Multiplication or Division

Answer

Answer: (a) Subtraction or Division

Question 15.
Which of the following is the Multiplicative identity for rational numbers?
(a) 1
(b) -1
(c) 0
(d) None of these

Answer

Answer: (a) 1

Question 16.
A number which can be written in the form, p/q where p and q are integers and _____ is called a rational number.
(a) q = 0
(b) q ≠ 0
(c) q = 1
(d) none of these

Answer

Answer: (b) q ≠ 0

Question 17.
The value of $$\frac { 1 }{ 2 }$$ + $$\frac { 1 }{ 4 }$$ is equal to:
(a) $$\frac { 3 }{ 4 }$$
(b) $$\frac { 3 }{ 2 }$$
(c) $$\frac { 2 }{ 3 }$$
(d) 1

Answer

Answer: (a) $$\frac { 3 }{ 4 }$$

Question 18.
Find the multiplicative inverse of $$\frac { 1 }{ 4 }$$.
(a) 4
(b) $$\frac { -1 }{ 4 }$$
(c) -4
(d) $$\frac { 1 }{ 4 }$$

Answer

Answer: (a) 4

Question 19.
Which of the following is the reciprocal of a rational number?
(a) -1
(b) 1
(c) 2
(d) Both a and b

Answer

Answer: (d) Both a and b

Question 20.
What is the sum of the additive inverse and multiplicative inverse of 2?
(a) $$\frac { 3 }{ 2 }$$
(b) $$\frac { -3 }{ 2 }$$
(c) $$\frac { 1 }{ 2 }$$
(d) $$\frac { -1 }{ 2 }$$

Answer

Answer: (b) $$\frac { -3 }{ 2 }$$

Question 21.
Which of the following statements is true?
(a) Every fraction is a rational number.
(b) Every rational number is a fraction.
(c) Every integer is a rational number.
(d) Both (a) and (c).

Answer

Answer: (d) Both (a) and (c).

Question 22.
Find the reciprocal of -2.
(a) 2
(b) -2
(c) $$\frac { -1 }{ 2 }$$
(d) None of these

Answer

Answer: (c) $$\frac { -1 }{ 2 }$$

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