yes. Its work. Thank you Peter. :) Here is my code share :
<?php
$con=mysqli_connect("localhost","root","","travel");
if(mysqli_connect_errno($con))
{
echo "Connection Error: ".mysqli_connect_error();
}
$qry="SELECT id_no, category, destination, visit_attraction, price
FROM activity_1
WHERE category = 'take it easy'
ORDER by RAND()
LIMIT 3
";
$result =mysqli_query($con,$qry);
print "<h5>Travel: Category & Activity Data</h5>";
echo "<table border='1'>
<tr>
<th>Days</th>
<th>Id_No</th>
<th>Category</th>
<th>Destination</th>
<th>Visit_Attraction</th>
<th>Price</th>
</tr>";
$total_price = 0;
while($rowval = mysqli_fetch_array($result))
{
echo "<tr>";
echo "<td></td>";
echo "<td>" . $rowval['id_no'] . "</td>";
echo "<td>" . $rowval['category'] . "</td>";
echo "<td>" . $rowval['destination'] . "</td>";
echo "<td>" . $rowval['visit_attraction'] . "</td>";
echo "<td>" . $rowval['price'] . "</td>";
echo "</tr>";
$total_price += $rowval['price'];
}
echo "<tr><td></td><td></td><td></td><td></td><td></td><td>$total_price</td><tr>";
echo "</table>";
mysqli_close($con);
}