A rational number between 3/5 and 4/5 is:
Chapter 1 – Number System in Class 9 Mathematics focuses on rational and irrational numbers, real numbers, and their properties. The NCERT solutions provide MCQ-based questions, exercise questions, and short-answer questions to enhance understanding. These solutions align with the CBSE syllabus and offer step-by-step explanations to simplify concepts. By practicing these questions, students can strengthen their problem-solving skills and prepare efficiently for exams. The chapter also covers important topics like terminating and non-terminating decimals, number line representation, and laws of exponents, ensuring a solid mathematical foundation for higher studies.
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We need to find a rational number between 3/5 and 4/5 fom the given options.
Step 1: Convert to Decimal Form
3/5 = 0.6
4/5 = 0.8
Now, we check which given options lie in the range (0.6, 0.8).
Step 2: Convert the Options to Decimal Form
(a). 7/5 = 1.4 (Not between 0.6 and 0.8)
(b). 7/10 = 0.7 (Between 0.6 and 0.8)
(c). 3/10 = 0.3 (Less than 0.6)
(d). 4/10 = 0.4 ( Less than 0.6)
Conclusion: The only rational number between 3/5 and 4/5 is 7/10 (option b).
This question related to Chapter 1 Mathematics Class 9th NCERT. From the Chapter 1 Number System. Give answer according to your understanding.
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