Correct option is C
Given:
2.12112111211112
Concept used:
An even number - An even number is an integer that is divisible by 2 without a remainder.
An integers - An integer is a whole number (positive, negative, or zero) without any fractional or decimal part.
A rational number - A rational number can be expressed as a fraction of two integers (where the denominator is not zero). which includes whole numbers, decimals, and fractions as well.
A natural number - A natural number is a positive integer used for counting (1, 2, 3, ...).
An integers - An integer is a whole number (positive, negative, or zero) without any fractional or decimal part.
A rational number - A rational number can be expressed as a fraction of two integers (where the denominator is not zero). which includes whole numbers, decimals, and fractions as well.
A natural number - A natural number is a positive integer used for counting (1, 2, 3, ...).
Solution:
The number 2.12112111211112 is non-terminating and non-repeating.
We observe that the digits after the decimal point are non-repeating and non-terminating. Hence, from the above properties, the given number is rational.
Thus, the correct answer is (c).
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