diff --git a/1-exercises/B-while-loop/exercise.js b/1-exercises/B-while-loop/exercise.js
index b459888f..d058addd 100644
--- a/1-exercises/B-while-loop/exercise.js
+++ b/1-exercises/B-while-loop/exercise.js
@@ -7,7 +7,15 @@
 
 function evenNumbers(n) {
     // TODO
-}
+     let i = 0;
+     let even = [];
+     while (i < 2 * n) {
+       even.push(i);
+       i += 2;
+     }
+     return even.toString();
+   }
+   console.log(evenNumbers());
 
 evenNumbers(3); // should output 0,2,4
 evenNumbers(0); // should output nothing
diff --git a/1-exercises/C-while-loop-with-array/exercise.js b/1-exercises/C-while-loop-with-array/exercise.js
index d584cd75..52346680 100644
--- a/1-exercises/C-while-loop-with-array/exercise.js
+++ b/1-exercises/C-while-loop-with-array/exercise.js
@@ -16,8 +16,16 @@ const BIRTHDAYS = [
     "November 15th"
 ];
 
+
 function findFirstJulyBDay(birthdays) {
     // TODO
-}
-
-console.log(findFirstJulyBDay(BIRTHDAYS)); // should output "July 11th"
+    let i = 0;
+     while (i < birthdays.length) {
+      if (birthdays[i][1] === "u") {
+        return birthdays[i];
+      }
+      i++;
+    }
+  }
+  
+  console.log(findFirstJulyBDay(BIRTHDAYS)); // should output "July 11th"
diff --git a/1-exercises/D-do-while/exercise.js b/1-exercises/D-do-while/exercise.js
index f10d0764..bd8a2eb8 100644
--- a/1-exercises/D-do-while/exercise.js
+++ b/1-exercises/D-do-while/exercise.js
@@ -7,7 +7,14 @@
 */
 
 function evenNumbersSum(n) {
-    // TODO
+    let i = 0;
+    let sum = n * (n - 1);
+    while (i < 5) {
+        console.log(i);
+        i++ ;
+
+    }
+
 }
 
 console.log(evenNumbersSum(3)); // should output 6
diff --git a/1-exercises/E-for-loop/exercise1.js b/1-exercises/E-for-loop/exercise1.js
index db5fac64..e47ea913 100644
--- a/1-exercises/E-for-loop/exercise1.js
+++ b/1-exercises/E-for-loop/exercise1.js
@@ -11,4 +11,7 @@ while(i < 26) {
     console.log(String.fromCharCode(97 + i));
     i++;
 }
-// The output shouldn't change.
+
+for (let i = 0; i < 26; i++); {
+console.log(String.fromCharCode(97 + i));
+}
\ No newline at end of file
diff --git a/1-exercises/E-for-loop/exercise2.js b/1-exercises/E-for-loop/exercise2.js
index 081002b2..4c4a9972 100644
--- a/1-exercises/E-for-loop/exercise2.js
+++ b/1-exercises/E-for-loop/exercise2.js
@@ -27,6 +27,10 @@ const AGES = [
 ];
 
 // TODO - Write for loop code here
+for(let i = 0; i < WRITERS.length; i++) {
+    let text = WRITERS[i] + "is" + AGES[i] +"years old";
+    console.log (text);
+}
 
 /*
 The output should look something like this:
diff --git a/1-exercises/F-for-of-loop/exercise.js b/1-exercises/F-for-of-loop/exercise.js
index 65585c6a..28045a6f 100644
--- a/1-exercises/F-for-of-loop/exercise.js
+++ b/1-exercises/F-for-of-loop/exercise.js
@@ -10,7 +10,12 @@ let tubeStations = [
     "Oxford Street",
     "Tottenham Court Road"
 ];
-
+for(let tube of tubeStations) {
+    console.log (tubeStations);
+}
 
 // TODO Use a for-of loop to capitalise and output each letter in the string seperately.
 let str = "codeyourfuture";
+for (let H of str){
+    console.log(H.toUpperCase());
+}