diff --git a/11-callback-function/start.js b/11-callback-function/start.js
index cf64af1..e2d72f7 100644
--- a/11-callback-function/start.js
+++ b/11-callback-function/start.js
@@ -4,3 +4,6 @@
  *
  * 2. Используйте стрелочную функцию
  */
+setTimeout(() => {
+    console.log("Привет, мир!");
+  }, 5000);
\ No newline at end of file
diff --git a/12-create-object/start.js b/12-create-object/start.js
index 12b1a17..284696b 100644
--- a/12-create-object/start.js
+++ b/12-create-object/start.js
@@ -8,3 +8,11 @@
  * 2. Выведите в консоль строку
  * "My name is <name> <surname> and my favorite number is <favoriteNumber>"
  */
+
+const obj = {
+    name: 'Vadim',
+    surname: 'Fedosenko',
+    favoriteNumber: '32'
+}
+
+console.log("My name is " + obj.name + " " + obj.surname + " " + "and my favorite number is" + " " + obj.favoriteNumber)
\ No newline at end of file
diff --git a/13-string-length/start.js b/13-string-length/start.js
index 0aa9cf6..ebf9ccd 100644
--- a/13-string-length/start.js
+++ b/13-string-length/start.js
@@ -4,3 +4,7 @@
  *
  * 2. Виведите в консоль длину этой строки
  */
+
+
+var name = "Vadim";
+console.log(name.length);
\ No newline at end of file
diff --git a/14-uppercase-string/start.js b/14-uppercase-string/start.js
index 210b64f..df39d88 100644
--- a/14-uppercase-string/start.js
+++ b/14-uppercase-string/start.js
@@ -12,3 +12,13 @@
  *
  * 5. Выведите в консоль значение второй переменной
  */
+
+var string = "TestString"
+
+console.log(string instanceof String)
+
+console.log(typeof string)
+
+var stringUp = string.toUpperCase()
+
+console.log(stringUp)
\ No newline at end of file
diff --git a/15-replace-part-string/start.js b/15-replace-part-string/start.js
index 5d7827c..3f66994 100644
--- a/15-replace-part-string/start.js
+++ b/15-replace-part-string/start.js
@@ -6,3 +6,7 @@
  *
  * 3. Выведите значение второй переменной в консоль
  */
+
+var say = 'Good Morning'
+
+console.log(say.replace('Morning', 'Evening'))
\ No newline at end of file
diff --git a/16-create-array/start.js b/16-create-array/start.js
index d0dca6a..ec95c7d 100644
--- a/16-create-array/start.js
+++ b/16-create-array/start.js
@@ -6,3 +6,9 @@
  *
  * 3. Выведите в консоль длину массива
  */
+
+
+var massive = [1111, 'test', true]
+
+console.log(massive[0])
+console.log(massive.length)
\ No newline at end of file