What will be the output of the following code snippet?

var a = 5 + "9";
document.write(a);

What will be the output of the following code snippet?

var x=12;
var y=8;
var res=eval("x+y");
document.write(res);

What will be the output of the following code snippet?

var a = Math.max() < Math.min();
var b = Math.max() > Math.min();
console.log(a);
console.log(b);