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

If you’re looking for a way to enhance your Class 8 Maths, then look no further than the NCERT MCQ Questions for Class 8 Maths Chapter 1 Rational Numbers with Answers. The MCQ Questions for Class 8 Maths with Answers are aligned to all topics covered so it will be helpful when preparing for your exams, no matter what subject you’re studying! Don’t forget about scoring maximum points during exam preparation by using these free Class 8 Maths Chapter 1 Rational Numbers Objective Questions.

## Rational Numbers Class 8 MCQs Questions with Answers

What are you waiting for? Get all the answers to Class 8 Maths Chapter 1 MCQs! It’s time that students power up and start practicing these MCQ Questions of Rational Numbers Class 8 with answers. The best way of doing so would be solving them yourself in order not only to know which answer is correct but also to understand why each solution works as well.

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

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

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: (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

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

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: (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: (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

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: (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: (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: (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

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

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

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

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

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