Table of Contents
Here you can find Multiple Choice Questions (MCQs) from Class 8 Maths Chapter 1 – Rational Numbers. These questions are made based on the latest CBSE syllabus (2025–2026) and follow the NCERT textbook. The MCQs are given chapter-wise to help students understand each topic clearly. Practicing these questions will help students prepare well for exams and score better marks. You can also download the PDF to practice more questions and check your understanding of the chapter.
MCQs on Class 8 Maths Chapter 1 Rational Numbers
A. Basic Conceptual MCQs
- Which of the following is a rational number?
a) √2
b) π
c) 5/9
d) e
Answer: c) 5/9 - Which of these is not a rational number?
a) 7/1
b) 0.25
c) π
d) -2/3
Answer: c) π - The number 0 can be written as a rational number in the form:
a) 0/1
b) 1/0
c) 0/0
d) None
Answer: a) 0/1 - Rational numbers include:
a) Only integers
b) Only fractions
c) Integers and fractions
d) Whole numbers only
Answer: c) Integers and fractions - The number 5 can be written as a rational number as:
a) 5/1
b) 1/5
c) 0/5
d) 5/0
Answer: a) 5/1
B. Standard Form and Simplification
- Which of the following is in standard form?
a) 6/-10
b) -3/5
c) -12/-16
d) 0/2
Answer: b) -3/5 - What is the standard form of -15/45?
a) -1/2
b) -1/3
c) 1/3
d) -3/1
Answer: b) -1/3 - The simplified form of 18/-54 is:
a) -1/3
b) 1/3
c) -3/1
d) -2/3
Answer: a) -1/3
C. Positive and Negative Rational Numbers
- -2/3 is a:
a) Positive Rational Number
b) Negative Rational Number
c) Whole Number
d) Irrational Number
Answer: b) Negative Rational Number - 4/9 is a:
a) Integer
b) Negative Rational Number
c) Positive Rational Number
d) Mixed Number
Answer: c) Positive Rational Number
D. Representation on Number Line
- Rational numbers on the number line are:
a) Equally spaced
b) Randomly spaced
c) Not represented
d) Shown only in positive form
Answer: a) Equally spaced - The number -3/5 lies between:
a) 0 and 1
b) -1 and 0
c) -5 and -3
d) 1 and 2
Answer: b) -1 and 0
E. Operations on Rational Numbers
- 2/3 + 1/3 = ?
a) 3/3
b) 2/6
c) 1
d) a and c
Answer: d) a and c - -4/5 + 4/5 = ?
a) 8/5
b) 0
c) -8/5
d) 4/10
Answer: b) 0 - Multiply: (-2/3) × (3/4) = ?
a) 1/2
b) -1/2
c) -6/12
d) b and c
Answer: d) b and c - Division: (4/5) ÷ (2/3) = ?
a) 6/10
b) 8/15
c) 12/10
d) 6/5
Answer: d) 6/5
F. Properties of Rational Numbers
- Rational numbers are closed under:
a) Addition
b) Subtraction
c) Multiplication
d) All of these
Answer: d) All of these - Which property is shown by: a + b = b + a?
a) Associative
b) Distributive
c) Commutative
d) Closure
Answer: c) Commutative - Which of these is the multiplicative identity?
a) 1
b) 0
c) -1
d) 2
Answer: a) 1 - Which property is shown by a(b + c) = ab + ac?
a) Associative
b) Distributive
c) Commutative
d) Identity
Answer: b) Distributive
G. Reciprocal and Identity
- Reciprocal of 2/7 is:
a) 2/7
b) 7/2
c) -7/2
d) 1/2
Answer: b) 7/2 - Reciprocal of 0 is:
a) 0
b) 1
c) Not defined
d) Infinite
Answer: c) Not defined - What is the additive identity in rational numbers?
a) 1
b) 0
c) -1
d) Any number
Answer: b) 0
H. True or False Type
- All integers are rational numbers.
Answer: True - Rational numbers are only positive.
Answer: False - 3/4 and 6/8 are equal.
Answer: True - There are infinite rational numbers between any two rational numbers.
Answer: True
I. Word Problems
- Ramesh had 2/3 of a cake. He ate 1/3 of it. How much is left?
a) 1/3
b) 1/6
c) 2/3
d) None
Answer: b) 1/3 - If a rope is 3/4 meters long and you cut 1/4 meters, how much is left?
a) 1/2
b) 2/4
c) 3/2
d) 1/4
Answer: a) 1/2 - A tank is filled with water up to 7/8. If 3/8 is used, how much water remains?
a) 4/8
b) 1/2
c) 3/4
d) 7/8
Answer: a) 4/8
