diff --git a/01/app.js b/01/app.js
index 96dc2f5..a89dc4c 100644
--- a/01/app.js
+++ b/01/app.js
@@ -1,2 +1,11 @@
-const randomNumber = Math.round(Math.random() * 20);
-console.log(randomNumber);
+for (let j = 0; j < 5; j++) {
+  const randomNumber = Math.round(Math.random() * 20)
+
+  if (randomNumber > 5) {
+    for (let i = 5; i <= randomNumber; i++) {
+      console.log(i)
+    }
+  } else {
+    console.log("Wylosowana liczba jest zbyt mała, aby użyć pętli")
+  }
+}
diff --git a/02/app.js b/02/app.js
index 8a41914..181258f 100644
--- a/02/app.js
+++ b/02/app.js
@@ -1,2 +1,18 @@
 const x = 5;
-let result = 0;
\ No newline at end of file
+let result = 0;
+
+for (let i = 1; i <= x; i++) {
+  //result += i;
+  result = result + i
+}
+console.log(result)
+
+const x1 = 5
+let result1 = 0
+let j = 1
+
+while (j <= x1) {
+  result1 += j
+  j++
+}
+console.log(result1)
\ No newline at end of file
diff --git a/03/app.js b/03/app.js
index c26c886..565fa2b 100644
--- a/03/app.js
+++ b/03/app.js
@@ -1,3 +1,10 @@
-const x = 10;
-let iteration = 0;
-let randomNumber = -1;
\ No newline at end of file
+const x = 5
+let iteration = 0
+let randomNumber
+
+while (randomNumber !== x) {
+  randomNumber = Math.floor(Math.random() * 10) + 1
+  iteration++
+}
+
+console.log("Liczba iteracji: " + iteration)