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  1. What will be the output of the following PHP code ?
    <?php
    function calculate($n1, $n2)
        {
            $n3 = $n1 * $n2;
            return $n3; 
        }
    $R = calculate(22, 23);
    echo $R;    
    ?>
    1. 22
    2. 23
    3. Error
    4. 506
    5. None of these
Correct Option: D

Function returns $n3.


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