Sample

import java.util.Scanner;

public class Sample {

    public static int lvlOne() {
        int max = 9, min = 0;
        return (int)(Math.random() * (max - min + 1) + min);
    }

    public static int lvlTwo() {
        int max = 99, min = 10;
        return (int)(Math.random() * (max - min + 1) + min);
    }

    public static void main(String[] args) {

        Scanner input = new Scanner(System.in);
        int random1, random2;

        int[] marks = new int[2];
        float total = 0;

        int right_ans = 0;
        int wrong_ans = 0;

        for(int i = 0; i < marks.length; i++) {

            random1 = lvlOne();
            random2 = lvlOne();

            int realAns = random1 + random2;
            marks[i] = realAns;

            System.out.println((i+1) + ") What is " + random1 + " + " + random2);
            int ans = input.nextInt();

            if (ans == realAns) {
                right_ans += 1;
            } else {
                wrong_ans += 1;
            }
        }
        for (int mark : marks) {
            System.out.println(mark);
        }

        System.out.println("Your total score is: " + right_ans + '\n' + "Correct Answer: " + right_ans);
        System.out.println("Wrong Answer: " + wrong_ans);
    }
}