diff --git a/1_solution.js b/1_solution.js
index 2d1ddc3..2b2255c 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..874db54 100644
--- a/2_solution.js
+++ b/2_solution.js
@@ -6,6 +6,7 @@ let user = {
 };
 
 // 여기에 코드를 작성해주세요
+const {name: Name, years: age, isAdmin=false} = user;
 
 alert(Name); // "민서"
 alert(age); // 21
diff --git a/3_solution.js b/3_solution.js
index 60fba3a..da46797 100644
--- a/3_solution.js
+++ b/3_solution.js
@@ -4,5 +4,14 @@ let user = {
     name: "다솜",
     part: "FE",
   };
+  
+const json = JSON.stringify(user);
+const parsed = JSON.parse(json);
+
+console.log(typeof json);
+console.log(json);
+
+console.log(typeof parsed);
+console.log(parsed);
 
 //답 작성
\ No newline at end of file
diff --git a/4_solution.js b/4_solution.js
index dd39a09..964b56d 100644
--- a/4_solution.js
+++ b/4_solution.js
@@ -9,4 +9,9 @@ class Person {
     getPerson() {
       console.log(`이름: ${this.name}, 취미: ${this.hobby}`);
     }
-}
\ No newline at end of file
+
+
+}
+
+const yewon= new Person("예원","넷플릭스로 미드보기");
+yewon.getPerson();
\ No newline at end of file
diff --git a/5_solution.js b/5_solution.js
index 91cb066..270d008 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(numbers => numbers%2==0);
+console.log(filtered)
\ No newline at end of file
diff --git a/6_solution.js b/6_solution.js
index 77db40a..444f731 100644
--- a/6_solution.js
+++ b/6_solution.js
@@ -4,4 +4,19 @@ let arr = [
     { part: "fe", name: "보연", age: 21 },
     { part: "staff", name: "수빈", age: 24 },
     { part: "be", name: "기현", age: 25 }
-  ];
\ No newline at end of file
+  ];
+
+  const filtered = arr.filter(arr1=> arr1.part !== "staff" );
+
+  const filtered2 = filtered.filter(arr1=>arr1.name !=="보연");
+  filtered2.sort((a,b)=>b.age-a.age);
+
+  const newArray = filtered2.map(function(person){
+    return person.name;
+  });
+
+  console.log("최종 이름 배열: ")
+  console.log(newArray);
+  newArray.forEach(function(name){
+    console.log(name);
+  });