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    <title></title>
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    $(document).ready(function () {

        // $('input[name="q1--r1"]').on('click', function () {
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        $('input[name="q1--r1"]').on('click', checkAnswer(q2--r2));
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<body>

<h2>Just Take This Quiz : </h2>
<div class="quiz">

    <div class="q1">
        <p class="q1-question">9 x 2 is </p>
        <span><input type="radio" name="q1--r1" value="wrong">19</span><br>
        <span><input type="radio" name="q1--r1" value="wrong">17</span><br>
        <span><input type="radio" name="q1--r1" value="correct">18</span><br>
    </div>

    <div class="q2">
        <p class="q2-question">71 - 2 is </p>
        <span><input type="radio" name="q2--r2" value="correct">69 </span><br>
        <span><input type="radio" name="q2--r2" value="wrong">67</span><br>
        <span><input type="radio" name="q2--r2" value="wrong">68</span><br>
    </div>

    <div class="q3">
        <p class="q3-question">12 / 4 </p>
        <span><input type="radio" name="q3--r3" value="wrong">4</span><br>
        <span><input type="radio" name="q3--r3" value="correct">3</span><br>
        <span><input type="radio" name="q3--r3" value="wrong">2</span><br>
    </div>

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