diff --git a/src/main/java/life/mosu/mosuserver/domain/examapplication/repository/ExamApplicationJpaRepository.java b/src/main/java/life/mosu/mosuserver/domain/examapplication/repository/ExamApplicationJpaRepository.java
index 24f394f2..a4699c70 100644
--- a/src/main/java/life/mosu/mosuserver/domain/examapplication/repository/ExamApplicationJpaRepository.java
+++ b/src/main/java/life/mosu/mosuserver/domain/examapplication/repository/ExamApplicationJpaRepository.java
@@ -89,9 +89,9 @@ Optional<ExamTicketInfoProjection> findExamTicketInfoProjectionById(
             FROM ExamApplicationJpaEntity ea
             JOIN PaymentJpaEntity p ON p.examApplicationId = ea.id
             LEFT JOIN RefundJpaEntity r ON r.examApplicationId = ea.id
-            WHERE p.paymentStatus = 'DONE'
-            AND (r IS NULL OR r.refundStatus = 'DONE')
+            WHERE (p.paymentStatus = 'DONE' OR r.refundStatus = 'DONE')
             AND ea.applicationId IN :applicationIds
+            AND ea.deleted = false
             """)
     List<ExamApplicationWithStatus> findByApplicationIdIn(List<Long> applicationIds);
 
diff --git a/src/main/java/life/mosu/mosuserver/presentation/inquiry/dto/InquiryCreateRequest.java b/src/main/java/life/mosu/mosuserver/presentation/inquiry/dto/InquiryCreateRequest.java
index d3b4a7ba..35f2109b 100644
--- a/src/main/java/life/mosu/mosuserver/presentation/inquiry/dto/InquiryCreateRequest.java
+++ b/src/main/java/life/mosu/mosuserver/presentation/inquiry/dto/InquiryCreateRequest.java
@@ -17,6 +17,8 @@ public record InquiryCreateRequest(
         @Size(max = 1000, message = "본문은 최대 1000자까지 입력 가능합니다.")
         @Schema(description = "문의 내용", example = "포인트는 어떻게 사용하나요?")
         @NotNull String content,
+
+        @Size(max = 3, message = "첨부파일은 최대 3개까지 첨부할 수 있습니다.")
         List<FileRequest> attachments
 ) {