JSFiddle - React, Tailwind, and code Playground

HTML

<select id="s1">
  <option value="volvo">Volvo</option>
  <option value="saab">Saab</option>
  <option value="mercedes">Mercedes</option>
  <option value="audi">Audi</option>
</select>

<select id="s2">
  <option value="volvo">Volvo</option>
  <option value="saab">Saab</option>
  <option value="mercedes">Mercedes</option>
  <option value="audi">Audi</option>
</select>

JavaScript

var minNumber = 0;
var maxNumber = 3;

function randomNumberFromRange(min,max)
{
    return  Math.floor(Math.random()*(max-min+1)+min);

   
}


$("#s2")[0].selectedIndex = randomNumberFromRange(minNumber, maxNumber);
$("#s1")[0].selectedIndex = randomNumberFromRange(minNumber, maxNumber);