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<h1>Web Exam</h1>

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<?php

	$a1 = $_POST["q1"];
	$a2 = $_POST["q2"];
	$a3 = $_POST["q3"];
	$a4 = $_POST["q4"];

	$sum = 0;

	if ($a1 == r1)
	{
		print("Question 1: Correct!<p>");
		$sum += 1;
	} else
		print("Question 1: Incorrect! The correct answer is A) 7.5<p>");

	if ($a2 == r2)
        {
                print("Question 2: Correct!<p>");
                $sum += 1;
        } else
                print("Question 2: Incorrect! The correct answer is B) 2<p>");

	if ($a3 == r3)
        {
                print("Question 3: Correct!<p>");
                $sum += 1;
        } else
                print("Question 3: Incorrect! The correct answer is C) 2<p>");

	if ($a4 == r4)
        {
                print("Question 4: Correct!<p>");
                $sum += 1;
        } else
                print("Question 4: Incorrect! The correct answer is D) 4PI<p>");

	$p = 100 * $sum / 4;

	print("Percent Correct: $p%<p>");
?>

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