diff --git a/src/main/java/com/oronaminc/join/answer/dao/AnswerRepository.java b/src/main/java/com/oronaminc/join/answer/dao/AnswerRepository.java
index d06e03a..dcaf09d 100644
--- a/src/main/java/com/oronaminc/join/answer/dao/AnswerRepository.java
+++ b/src/main/java/com/oronaminc/join/answer/dao/AnswerRepository.java
@@ -2,43 +2,44 @@
 
 import com.oronaminc.join.answer.domain.Answer;
 import com.oronaminc.join.question.domain.Question;
-import java.time.LocalDateTime;
-import java.util.List;
-import java.util.Optional;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
 
+import java.time.LocalDateTime;
+import java.util.List;
+import java.util.Optional;
+
 public interface AnswerRepository extends JpaRepository<Answer, Long> {
 
     Optional<Answer> findByQuestionId(Long questionId);
 
     @Query("""
-            SELECT a
-            FROM Answer a
-            JOIN FETCH a.member m
-            WHERE a.question.id = :questionId
-            ORDER BY a.createdAt DESC, a.id DESC
-        """)
+                SELECT a
+                FROM Answer a
+                JOIN FETCH a.member m
+                WHERE a.question.id = :questionId
+                ORDER BY a.createdAt ASC, a.id ASC
+            """)
     List<Answer> findFirstPageByQuestionId(
-        @Param("questionId") Long questionId,
-        Pageable pageable
+            @Param("questionId") Long questionId,
+            Pageable pageable
     );
 
     @Query("""
-            SELECT a
-            FROM Answer a
-            JOIN FETCH a.member m
-            WHERE a.question.id = :questionId
-              AND (a.createdAt < :lastCreatedAt OR (a.createdAt = :lastCreatedAt AND a.id < :lastId))
-            ORDER BY a.createdAt DESC, a.id DESC
-        """)
+                SELECT a
+                FROM Answer a
+                JOIN FETCH a.member m
+                WHERE a.question.id = :questionId
+                  AND (a.createdAt > :lastCreatedAt OR (a.createdAt = :lastCreatedAt AND a.id > :lastId))
+                ORDER BY a.createdAt ASC, a.id ASC
+            """)
     List<Answer> findByQuestionIdWithCursor(
-        @Param("questionId") Long questionId,
-        @Param("lastCreatedAt") LocalDateTime lastCreatedAt,
-        @Param("lastId") Long lastId,
-        Pageable pageable
+            @Param("questionId") Long questionId,
+            @Param("lastCreatedAt") LocalDateTime lastCreatedAt,
+            @Param("lastId") Long lastId,
+            Pageable pageable
     );
 
     void deleteByQuestionId(Long questionId);
@@ -46,17 +47,17 @@ List<Answer> findByQuestionIdWithCursor(
     void deleteByQuestionIn(List<Question> questions);
 
     @Query("""
-            select count(distinct a.question.id)
-            from Answer a
-            where a.question.room.id = :roomId
-        """)
+                select count(distinct a.question.id)
+                from Answer a
+                where a.question.room.id = :roomId
+            """)
     Long countAnsweredQuestionsByRoomId(@Param("roomId") Long roomId);
 
     @Query("""
-            select a
-            from Answer a
-            where a.question.id in :questionIds
-        """)
+                select a
+                from Answer a
+                where a.question.id in :questionIds
+            """)
     List<Answer> findAllByQuestionIds(@Param("questionIds") List<Long> questionIds);
 
 }
diff --git a/src/main/java/com/oronaminc/join/room/service/RoomService.java b/src/main/java/com/oronaminc/join/room/service/RoomService.java
index 9f04704..cbf3cbe 100644
--- a/src/main/java/com/oronaminc/join/room/service/RoomService.java
+++ b/src/main/java/com/oronaminc/join/room/service/RoomService.java
@@ -1,16 +1,5 @@
 package com.oronaminc.join.room.service;
 
-import static com.oronaminc.join.global.exception.ErrorCode.*;
-
-import java.util.List;
-import java.util.Map;
-import java.util.stream.Collectors;
-
-import org.springframework.cache.annotation.CacheEvict;
-import org.springframework.context.ApplicationEventPublisher;
-import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Transactional;
-
 import com.oronaminc.join.answer.domain.Answer;
 import com.oronaminc.join.answer.service.AnswerReader;
 import com.oronaminc.join.document.domain.Document;
@@ -27,23 +16,22 @@
 import com.oronaminc.join.room.dao.RoomRepository;
 import com.oronaminc.join.room.domain.Room;
 import com.oronaminc.join.room.domain.RoomStatus;
-import com.oronaminc.join.room.dto.CreateRoomRequest;
-import com.oronaminc.join.room.dto.CreateRoomResponse;
-import com.oronaminc.join.room.dto.JoinRoomRequest;
-import com.oronaminc.join.room.dto.JoinRoomResponse;
-import com.oronaminc.join.room.dto.ReportResponse;
+import com.oronaminc.join.room.dto.*;
 import com.oronaminc.join.room.event.RoomDeleteEvent;
-import com.oronaminc.join.room.dto.RoomDetailResponse;
-import com.oronaminc.join.room.dto.RoomJoinResponse;
-import com.oronaminc.join.room.dto.RoomUpdateInfoResponse;
-import com.oronaminc.join.room.dto.RoomUpdateRequest;
-import com.oronaminc.join.room.dto.RoomUpdateStatusRequest;
-import com.oronaminc.join.room.dto.TopQnAResponse;
 import com.oronaminc.join.room.util.CodeGenerator;
 import com.oronaminc.join.room.util.RoomMapper;
 import com.oronaminc.join.websocket.session.CurrentParticipantManager;
-
 import lombok.RequiredArgsConstructor;
+import org.springframework.cache.annotation.CacheEvict;
+import org.springframework.context.ApplicationEventPublisher;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+import static com.oronaminc.join.global.exception.ErrorCode.*;
 
 @Service
 @Transactional(readOnly = true)
@@ -139,7 +127,7 @@ public void deleteRoom(Long memberId, Long roomId) {
     @Transactional
     @CacheEvict(cacheNames = "roomById", key = "#roomId")
     public void updateRoomStatus(Long memberId, Long roomId,
-            RoomUpdateStatusRequest roomUpdateStatusRequest) {
+                                 RoomUpdateStatusRequest roomUpdateStatusRequest) {
         participantService.validatePresenter(roomId, memberId);
         Room room = roomReader.getById(roomId);
 
@@ -215,9 +203,12 @@ private List<TopQnAResponse> getTopQnA(Long roomId) {
     }
 
     private Double calculateAnswerRate(Long totalQuestions, Long totalAnswerByQuestion) {
-        return (totalQuestions == 0)
-                ? 0.0
-                : ((double)totalAnswerByQuestion / totalQuestions) * 100;
+        if (totalQuestions == 0) {
+            return 0.0;
+        }
+
+        double rate = ((double) totalAnswerByQuestion / totalQuestions) * 100;
+        return Math.round(rate * 10.0) / 10.0;
 
     }