diff --git a/src/main/java/com/mangkyu/employment/interview/app/quiz/service/QuizService.java b/src/main/java/com/mangkyu/employment/interview/app/quiz/service/QuizService.java
index 261cc3a..b632f12 100644
--- a/src/main/java/com/mangkyu/employment/interview/app/quiz/service/QuizService.java
+++ b/src/main/java/com/mangkyu/employment/interview/app/quiz/service/QuizService.java
@@ -40,17 +40,17 @@ public class QuizService {
                 : quizRepository.findByIdNotInAndQuizLevel(solvedQuizIdList, quizLevel);
     }
 
-    public List<Quiz> getRandomQuizListUnderLimit(final List<Quiz> quizList) {
-        return quizList.size() <= QuizConstants.MAXIMUM_QUIZ_SIZE
+    public List<Quiz> getRandomQuizListUnderLimit(final List<Quiz> quizList, final Integer quizSize) {
+        return quizList.size() <= quizSize
                 ? quizList
-                : createRandomQuizListUnderLimit(quizList);
+                : createRandomQuizListUnderLimit(quizList, quizSize);
     }
 
-    private List<Quiz> createRandomQuizListUnderLimit(final List<Quiz> quizList) {
+    private List<Quiz> createRandomQuizListUnderLimit(final List<Quiz> quizList, final Integer quizSize) {
         final Random rand = new Random();
         final List<Quiz> randomQuizList = new ArrayList<>();
 
-        for (int i = 0; i < QuizConstants.MAXIMUM_QUIZ_SIZE; i++) {
+        for (int i = 0; i < quizSize; i++) {
             final int randomIndex = rand.nextInt(quizList.size());
             final Quiz quiz = quizList.get(randomIndex);
             randomQuizList.add(quiz);
diff --git a/src/main/java/com/mangkyu/employment/interview/cron/SendQuizCronJob.java b/src/main/java/com/mangkyu/employment/interview/cron/SendQuizCronJob.java
index de6870b..9cb1af9 100644
--- a/src/main/java/com/mangkyu/employment/interview/cron/SendQuizCronJob.java
+++ b/src/main/java/com/mangkyu/employment/interview/cron/SendQuizCronJob.java
@@ -39,7 +39,7 @@ public class SendQuizCronJob {
             final List<Quiz> unsolvedQuizList = quizService.getUnsolvedQuizList(user.getId(), user.getQuizLevel());
             final boolean isLastMail = isLastMail(unsolvedQuizList, user.getQuizSize());
 
-            final List<Quiz> randomQuizList = quizService.getRandomQuizListUnderLimit(unsolvedQuizList);
+            final List<Quiz> randomQuizList = quizService.getRandomQuizListUnderLimit(unsolvedQuizList, user.getQuizSize());
             if (isLastMail) {
                 userService.disableUser(user);
             }
diff --git a/src/test/java/com/mangkyu/employment/interview/app/quiz/service/QuizServiceTest.java b/src/test/java/com/mangkyu/employment/interview/app/quiz/service/QuizServiceTest.java
index bf3bc85..044aa63 100644
--- a/src/test/java/com/mangkyu/employment/interview/app/quiz/service/QuizServiceTest.java
+++ b/src/test/java/com/mangkyu/employment/interview/app/quiz/service/QuizServiceTest.java
@@ -41,6 +41,7 @@ class QuizServiceTest {
 
     private final Long userId = -1L;
     private final QuizLevel quizLevel = QuizLevel.NEW;
+    private final int quizSize = 3;
 
     @BeforeEach
     public void init() {
@@ -103,19 +104,19 @@ class QuizServiceTest {
     }
 
     @Test
-    public void getRandomQuizListUnderLimitSuccess_Under3() {
+    public void getRandomQuizListUnderLimitSuccess_UnderLimit() {
         // given
         final List<Quiz> unsolvedQuizList = Collections.singletonList(quiz(4L));
 
         // when
-        final List<Quiz> result = quizService.getRandomQuizListUnderLimit(unsolvedQuizList);
+        final List<Quiz> result = quizService.getRandomQuizListUnderLimit(unsolvedQuizList, quizSize);
 
         // then
         assertThat(result.size()).isEqualTo(unsolvedQuizList.size());
     }
 
     @Test
-    public void getRandomQuizListUnderLimitSuccess_Over3() {
+    public void getRandomQuizListUnderLimitSuccess_OverLimit() {
         // given
         final List<Quiz> unsolvedQuizList = new ArrayList<>();
         unsolvedQuizList.add(quiz(1L));
@@ -124,7 +125,7 @@ class QuizServiceTest {
         unsolvedQuizList.add(quiz(4L));
 
         // when
-        final List<Quiz> result = quizService.getRandomQuizListUnderLimit(unsolvedQuizList);
+        final List<Quiz> result = quizService.getRandomQuizListUnderLimit(unsolvedQuizList, quizSize);
 
         // then
         assertThat(result.size()).isEqualTo(QuizConstants.MAXIMUM_QUIZ_SIZE);
diff --git a/src/test/java/com/mangkyu/employment/interview/cron/SendQuizCronJobTest.java b/src/test/java/com/mangkyu/employment/interview/cron/SendQuizCronJobTest.java
index 46a985b..524cf65 100644
--- a/src/test/java/com/mangkyu/employment/interview/cron/SendQuizCronJobTest.java
+++ b/src/test/java/com/mangkyu/employment/interview/cron/SendQuizCronJobTest.java
@@ -63,7 +63,7 @@ class SendQuizCronJobTest {
 
         // verify
         verify(quizService, times(0)).getUnsolvedQuizList(user.getId(), user.getQuizLevel());
-        verify(quizService, times(0)).getRandomQuizListUnderLimit(anyList());
+        verify(quizService, times(0)).getRandomQuizListUnderLimit(anyList(), user.getQuizSize());
         verify(userService, times(0)).disableUser(user);
         verify(mailService, times(0)).sendMail(anyString(), anyList(), anyBoolean());
         verify(solvedQuizService, times(0)).addSolvedQuizList(any(User.class), anyList());
@@ -83,7 +83,7 @@ class SendQuizCronJobTest {
                 .getUnsolvedQuizList(user.getId(), user.getQuizLevel());
         doReturn(randomQuizList)
                 .when(quizService)
-                .getRandomQuizListUnderLimit(unsolvedQuizList);
+                .getRandomQuizListUnderLimit(unsolvedQuizList, user.getQuizSize());
 
         // when
         target.sendQuizMailEveryWeek();
@@ -92,7 +92,7 @@ class SendQuizCronJobTest {
 
         // verify
         verify(quizService, times(1)).getUnsolvedQuizList(user.getId(), user.getQuizLevel());
-        verify(quizService, times(1)).getRandomQuizListUnderLimit(unsolvedQuizList);
+        verify(quizService, times(1)).getRandomQuizListUnderLimit(unsolvedQuizList, user.getQuizSize());
         verify(userService, times(0)).disableUser(user);
         verify(mailService, times(1)).sendMail(user.getEmail(), randomQuizList, false);
         verify(solvedQuizService, times(1)).addSolvedQuizList(user, randomQuizList);
@@ -112,7 +112,7 @@ class SendQuizCronJobTest {
                 .getUnsolvedQuizList(user.getId(), user.getQuizLevel());
         doReturn(randomQuizList)
                 .when(quizService)
-                .getRandomQuizListUnderLimit(unsolvedQuizList);
+                .getRandomQuizListUnderLimit(unsolvedQuizList, user.getQuizSize());
 
         // when
         target.sendQuizMailEveryWeek();
@@ -121,7 +121,7 @@ class SendQuizCronJobTest {
 
         // verify
         verify(quizService, times(1)).getUnsolvedQuizList(user.getId(), user.getQuizLevel());
-        verify(quizService, times(1)).getRandomQuizListUnderLimit(unsolvedQuizList);
+        verify(quizService, times(1)).getRandomQuizListUnderLimit(unsolvedQuizList, user.getQuizSize());
         verify(userService, times(1)).disableUser(user);
         verify(mailService, times(1)).sendMail(user.getEmail(), randomQuizList, true);
         verify(solvedQuizService, times(1)).addSolvedQuizList(user, randomQuizList);