Which of the following is a rational number?
A √97
B √14
C √18
D √36
Which of the following is a rational number?
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Which of the following is a rational number?
A √97
B √14
C √18
D √36
The correct answer is D √36.
Explanation: A rational number is any number that can be expressed as a fraction or ratio of two integers. The square root of 36 is 6, which is a whole number and can be expressed as ( frac{6}{1} ), thus making it a rational number. In contrast, the square roots of 97, 14, and 18 are not whole numbers and cannot be expressed as simple fractions of integers.