diff --git a/1_solution.js b/1_solution.js
index 2d1ddc3..ed2187d 100644
--- a/1_solution.js
+++ b/1_solution.js
@@ -4,7 +4,7 @@ let name = "신석";
 
 // ? 부분에 예측 값을 작성해주세요(코드 실행 금지)
 
-alert(`hello ${1}`); // ?
-alert(`hello ${"name"}`); // ?
-alert("hello ${name}"); // ?
-alert(`hello ${name}`); // ?
\ No newline at end of file
+alert(`hello ${1}`); // hello 1
+alert(`hello ${"name"}`); // hello name 
+alert("hello ${name}"); // hello ${name}
+alert(`hello ${name}`); // hello 신석
\ No newline at end of file
diff --git a/2_solution.js b/2_solution.js
index e5b5e37..0b38d63 100644
--- a/2_solution.js
+++ b/2_solution.js
@@ -6,7 +6,8 @@ let user = {
 };
 
 // 여기에 코드를 작성해주세요
+const { name:Name, years:age, isAdmin = false } = user;
 
-alert(Name); // "민서"
-alert(age); // 21
-alert(isAdmin); // false
\ No newline at end of file
+console.log(Name); // "민서"
+console.log(age); // 21
+console.log(isAdmin); // false
\ No newline at end of file
diff --git a/3_solution.js b/3_solution.js
index 60fba3a..96e66e8 100644
--- a/3_solution.js
+++ b/3_solution.js
@@ -5,4 +5,8 @@ let user = {
     part: "FE",
   };
 
-//답 작성
\ No newline at end of file
+//답 작성
+const json = JSON.stringify(user);
+const parsed = JSON.parse(json);
+
+console.log(parsed);
\ No newline at end of file
diff --git a/4_solution.js b/4_solution.js
index dd39a09..65f7579 100644
--- a/4_solution.js
+++ b/4_solution.js
@@ -9,4 +9,7 @@ class Person {
     getPerson() {
       console.log(`이름: ${this.name}, 취미: ${this.hobby}`);
     }
-}
\ No newline at end of file
+}
+
+const person = new Person("yesong", "piano");
+person.getPerson();
\ No newline at end of file
diff --git a/5_solution.js b/5_solution.js
index 91cb066..20f799f 100644
--- a/5_solution.js
+++ b/5_solution.js
@@ -1,3 +1,6 @@
 //5번 문제
 
-const numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
\ No newline at end of file
+const numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
+
+const filtered = numbers.filter( num => num % 2 == 0);
+console.log(filtered);
\ No newline at end of file
diff --git a/6_solution.js b/6_solution.js
index af7922b..a2a18b3 100644
--- a/6_solution.js
+++ b/6_solution.js
@@ -5,20 +5,28 @@ let arr = [
     { part: "staff", name: "수빈", age: 24 },
     { part: "be", name: "기현", age: 25 }
   ];
+
+
+//-- 1번 조건, 2번 조건
+let not_staff = []; // staff, 보연을 제외한 객체를 담을 배열
   
-  // 1. staff 제거
-  arr = arr.filter(member => member.part !== "staff");
-  
-  // 2. "fe"는 남기되 "보연"은 제거
-  arr = arr.filter(member => !(member.part === "fe" && member.name === "보연"));
-  
-  // 3. 나이 내림차순 정렬
-  arr.sort((a, b) => b.age - a.age);
-  
-  // 4. 이름만 뽑아 배열 만들기
-  const names = arr.map(member => member.name);
-  console.log("최종 이름 배열:", names);
-  
-  // 5. 이름 한 줄씩 출력
-  names.forEach(name => console.log(name));
-  
\ No newline at end of file
+for (let i in arr) {
+  if (arr[i].part != "staff" && arr[i].name != "보연") {
+    not_staff.push(arr[i]);
+  }
+}
+
+//-- 3번 조건
+not_staff.sort((a, b) => b.age - a.age); // 나이 내림차순 정렬
+console.table(not_staff);
+
+
+//-- 4번 조건
+let only_name = arr.map( person => person.name );
+console.log(only_name);
+
+
+//-- 5번 조건
+only_name.forEach((name) => {
+  console.log(name);
+});