Answer the following questions related to rational and irrational numbers.
MATHEMATICS · Multi-part · CBSE · Mathematics · Number Systems · Number Systems
Problem
Answer the following questions related to rational and irrational numbers.
(i) Explain the main difference between a rational number and an irrational number with reference to their decimal expansions.
(ii) Justify whether 25 is a rational number.
(iii) Give a clear reason to show that 3 is not a rational number.
(iv) A student claims that 0.142857 is an irrational number. Do you agree? Give reason for your answer.