Answer :
Final answer:
None of the given options have a rational square root.
Explanation:
The square root of a number is rational if the number is a perfect square. A perfect square is a number that can be expressed as the product of two equal integers. Let's examine the given options:
(A) 1.69 - Not a perfect square
(B) 3/10 - Not a perfect square
(C) 0.33 - Not a perfect square
(D) 1/3 - Not a perfect square
Therefore, none of the given options have a rational square root.
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