CBSE Class 8 > Class 8 Videos > "Rational Numbers" Chapter 1 - Introduction - NCERT Class 8th Maths Solutions
"Rational Numbers" Chapter 1 - Introduction - NCERT Class 8th Maths Solutions
FAQs on "Rational Numbers" Chapter 1 - Introduction - NCERT Class 8th Maths Solutions
| 1. What are rational numbers? |  |
Ans. Rational numbers are numbers that can be expressed as a fraction, where the numerator and denominator are both integers. In other words, a rational number can be written in the form p/q, where p and q are integers and q is not equal to zero.
| 2. How are rational numbers different from irrational numbers? | |
Ans. Rational numbers can be expressed as fractions, while irrational numbers cannot be expressed as fractions and have non-terminating and non-repeating decimal representations. Examples of rational numbers include 3/5 and -2/7, while examples of irrational numbers include √2 and π.
| 3. How can we determine if a number is rational or not? | |
Ans. To determine if a number is rational or not, we can check if it can be expressed as a fraction. If a number can be written as p/q, where p and q are integers and q is not equal to zero, then it is a rational number. If it cannot be expressed in this form, then it is an irrational number.
| 4. Can all integers be considered as rational numbers? | |
Ans. Yes, all integers can be considered as rational numbers. This is because any integer can be written in the form p/1, where p is an integer and 1 is not equal to zero. Therefore, all integers satisfy the definition of a rational number.
| 5. Are all rational numbers positive? | |
Ans. No, not all rational numbers are positive. Rational numbers can be positive, negative, or zero. For example, -3/4 and 5/8 are negative rational numbers, while 2/3 and -1/5 are positive rational numbers.
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Apr 18, 2026 Last updated
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