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Which of the following is a rational number?

0.412

sqrt(3)

1.25

A rational number is any number that can be represented as a ratio of two integers. Option A, 0.412, is a decimal number but it does not terminate or repeat, making it an irrational number. Option B, sqrt(3), is an irrational number because it cannot be expressed as a ratio of two integers. Option D, 1/3, is a rational number because it is equal to 0.333... which terminates.

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