The given equation is 
We need to determine the type of solution and the number of solutions.
<u>Solving the equation:</u>
Let us solve the equation to determine the number of solution and the type of solution.
Subtracting both sides of the equation by 16c, we get;

Adding both sides of the equation by 32, we have;

Let us solve the equation using the quadratic formula.
Thus, we have;

Simplifying, we get;




Thus, the solution of the equation is 4.
Hence, the equation has one rational solution.
Therefore, Option A is the correct answer.