diff --git a/src/main/quizproject.c b/src/main/quizproject.c
index fe758d3..a32cbb4 100644
--- a/src/main/quizproject.c
+++ b/src/main/quizproject.c
@@ -9,9 +9,9 @@
 int* randomNumber() {
    srand(time(NULL));
    int k = 0, p;
-   static int arr[5];
-   while(k<5){
-       int num =rand()%5;
+   static int arr[6];
+   while(k<6){
+       int num =rand()%6;
        for (p = 0; p < k; p++){
            if(arr[p]==num){
                break;
@@ -87,7 +87,7 @@ void correct(int score2){
     printf("You have %d points now\n\n", score);
 }
 void wrong(int score1){
-    printf("\nwrong!\n");
+    printf("\nWrong!\n");
     printf("You have %d points now\n\n", score);
 }
 
@@ -96,6 +96,9 @@ void fifty_fifty(int question_num) {
             "A.Mount Everest\nB.Uludag",
             "A.USA\nB.China",
             "C.Amazon River\nD.The Nile River",
+            "A.San Fransisco\nB.San Diego",
+            "C.Merida\nD.Mexico city",
+            "C.Russia\nD.USA\n",
     };
     printf("%s\n",qC[question_num]);
 }
@@ -141,7 +144,7 @@ int k = 0;
         printf("\t\t--------------------Round 1-------------------\n\n");
         printf(">>In this round you need to answer 3 questions correctly to move to Round 2<<\n\n");
         
-         int initial = 0, end = 1;
+         int initial = 0, end = 2;
         printOutOption(qS,qC,aS,initial,end,randArr);
 
           if (score < 1) {
@@ -151,7 +154,7 @@ int k = 0;
             printf("\t\t--------------------Round 2-------------------\n\n");
             printf(">>In this round you need to answer 2 questions correctly to move to Round 3<<\n\n");
             
-            initial = 1, end = 3;
+            initial = 2, end = 4;
             printOutOption(qS,qC,aS,initial,end,randArr);
         }
 
@@ -162,7 +165,7 @@ int k = 0;
                 printf("\t\t--------------------Round 3-------------------\n\n");
                 printf(">>In this round you need to answer 2 questions correctly to move to Round 4<<\n\n");
                 
-                 initial = 3, end = 5;
+                 initial = 4, end = 6;
                  printOutOption(qS,qC,aS,initial,end,randArr);
 
             }
@@ -182,6 +185,7 @@ void ask_questions(void) {
             "What is the name of the longest river in Africa?\n",
             "What American city is the Golden Gate Bridge located in?\n",
             "What is the capital of Mexico?\n",
+            "What is the name of the largest country in the world?\n",
 
     };
     char qC[][100] = {//6
@@ -190,6 +194,7 @@ void ask_questions(void) {
             "A.Missisipi River\nB.Yangtze River\nC.Amazon River\nD.The Nile River",
             "A.San Fransisco\nB.San Diego\nC.New York\nD.Los Angeles",
             "A.Oaxaca\nB.Puebla\nC.Merida\nD.Mexico city",
+            "A.India\nB.China\nC.Russia\nD.USA",
         
 
     };
@@ -200,6 +205,7 @@ void ask_questions(void) {
             'D',
             'A',
             'D',
+            'C',
             
     };
 
@@ -220,12 +226,12 @@ void ask_hard_questions(void) {
 
 
             char questions[NUM_QUESTIONS][256] = {
-                    "What is the capital of France?",
-                    "Who was the first president of the United States?"
+                    "Which author is famed for her detective novels about Hercule Poirot and Miss Marple?",
+                    "Atticus Finch is one of the main characters in which novel from 1960?"
             };
             char options[NUM_QUESTIONS][4][256] = {
-                    { "A) Berlin", "B) Paris", "C) London", "D) Rome" },
-                    { "A) George Washington", "B) John Adams", "C) Thomas Jefferson", "D) James Madison" }
+                    { "A) Arthur Conan Doyle", "B) Agatha Christie", "C) Charles Dickens", "D) Stephen King" },
+                    { "A) To Kill a Mockingbird", "B) Pride and Prejudice", "C) The Great Gatsby", "D) Jane Eyre" }
                     };
             char answers[NUM_QUESTIONS] = { 'B', 'A'};  // correct answers (A, B, C, or D)
 
@@ -289,6 +295,7 @@ void hint(int question_num) {
             "Hint:The longest river measures 6,650km.",
             "Hint:The Golden States Warriors play there.\n",
             "Hint:It is one of the oldest and largest cities in the Americas.\n",
+            "Hint:The area of the largest country is 17.1 million km2.\n",
     };
     printf("%s\n",qC[question_num]);
 }