Class 7 Mathematics

Chapter 9: Rational Numbers

MCQs with Answers & Explanations

Q1. Which of the following is a rational number?

A. √2
B. π
C. 3/5
D. √7

Correct Answer: C

Explanation:
A rational number can be written in the form p/q where q ≠ 0. Here, 3/5 satisfies this condition.

Q2. Is 0 a rational number?

A. Yes
B. No
C. Sometimes
D. Cannot say

Correct Answer: A

Explanation:
0 can be written as 0/1, where the denominator is not zero. So, 0 is a rational number.

Q3. Which of the following is not a rational number?

A. -4/7
B. 0
C. 5
D. √5

Correct Answer: D

Explanation:
√5 cannot be written in the form p/q. So, it is not a rational number.

Q4. Which of the following represents the rational form of -6?

A. -6/0
B. 0/-6
C. -6/1
D. 1/-6

Correct Answer: C

Explanation:
Any integer n can be written as n/1. So, -6 = -6/1.

Q5. How many rational numbers are there between 1 and 2?

A. One
B. Ten
C. Finite
D. Infinite

Correct Answer: D

Explanation:
Between any two rational numbers, we can find infinitely many rational numbers.

Q6. Which of the following is the rational number between 2 and 3?

A. 5/2
B. 7/2
C. 9/3
D. 4

Correct Answer: A

Explanation:
5/2 = 2.5, which lies between 2 and 3.

Q7. Which statement is true?

A. All rational numbers are integers
B. All integers are rational numbers
C. All fractions are irrational numbers
D. Rational numbers cannot be negative

Correct Answer: B

Explanation:
Every integer can be written as p/1. So, all integers are rational numbers.

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Class 7 Mathematics – Chapter 9
MCQs with Explanations

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