# Classify the Numbers 3. Bar(142857) as Rational Or Irrational : - Mathematics

Classify the numbers 3. bar(142857) as rational or irrational  :

#### Solution

3. bar(142857) is a rational number because it is a repeating decimal.

Concept: Revisiting Rational Numbers and Their Decimal Expansions
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#### APPEARS IN

RS Aggarwal Secondary School Class 10 Maths
Chapter 1 Real Numbers
Q 2.04