diff --git a/01/app.js b/01/app.js
index 96dc2f5..dbc46a3 100644
--- a/01/app.js
+++ b/01/app.js
@@ -1,2 +1,10 @@
 const randomNumber = Math.round(Math.random() * 20);
 console.log(randomNumber);
+
+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..397a4dd 100644
--- a/02/app.js
+++ b/02/app.js
@@ -1,2 +1,14 @@
 const x = 5;
-let result = 0;
\ No newline at end of file
+let result = 0;
+
+// for(let i=1; i<=x; i++){
+//     result= result + i;  
+// }
+// console.log( result);
+
+i=1;
+while(i<=x){
+    result = result + i;
+    i++;
+}
+console.log(result);
\ No newline at end of file
diff --git a/03/app.js b/03/app.js
index c26c886..b423c90 100644
--- a/03/app.js
+++ b/03/app.js
@@ -1,3 +1,9 @@
 const x = 10;
 let iteration = 0;
-let randomNumber = -1;
\ No newline at end of file
+let randomNumber = -1;
+
+while(randomNumber !== x){
+    randomNumber = Math.floor(Math.random() * 11);
+    iteration++;
+}
+console.log(iteration);