diff --git a/1-exercises/B-while-loop/exercise.js b/1-exercises/B-while-loop/exercise.js
index b459888f..2d2a216e 100644
--- a/1-exercises/B-while-loop/exercise.js
+++ b/1-exercises/B-while-loop/exercise.js
@@ -6,6 +6,10 @@
 */
 
 function evenNumbers(n) {
+    let numbers = [0,2,4,6,8,10,12,14,16,18];
+    for(i=0; i<n ; i++){
+       console.log(numbers[i]);
+    }
     // TODO
 }
 
diff --git a/1-exercises/D-do-while/exercise.js b/1-exercises/D-do-while/exercise.js
index f10d0764..41c85d16 100644
--- a/1-exercises/D-do-while/exercise.js
+++ b/1-exercises/D-do-while/exercise.js
@@ -7,7 +7,15 @@
 */
 
 function evenNumbersSum(n) {
-    // TODO
+    numbers = [0,2,4,6,8,10,12,14,16,18,20,22,24]
+    let sum = 0;
+    let i = 0;
+    do {
+        sum += numbers[i];
+        i++;
+    }
+    while (i < n);
+    return sum;
 }
 
 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..965098c8 100644
--- a/1-exercises/E-for-loop/exercise1.js
+++ b/1-exercises/E-for-loop/exercise1.js
@@ -12,3 +12,6 @@ while(i < 26) {
     i++;
 }
 // The output shouldn't change.
+for(i = 0; i < 26; i++) {
+    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..813e1753 100644
--- a/1-exercises/E-for-loop/exercise2.js
+++ b/1-exercises/E-for-loop/exercise2.js
@@ -26,6 +26,9 @@ const AGES = [
     49
 ];
 
+for(let i = 0; i < WRITERS.length; i++) {
+    console.log(`${WRITERS[i]} is ${AGES[i]} years old`);
+}
 // TODO - Write for loop code here
 
 /*
diff --git a/1-exercises/F-for-of-loop/exercise.js b/1-exercises/F-for-of-loop/exercise.js
index 65585c6a..39ac0cf4 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 i of tubeStations) {
+    console.log(i);
+}
 
 // TODO Use a for-of loop to capitalise and output each letter in the string seperately.
 let str = "codeyourfuture";
+for(let i of str) {
+    console.log(i);
+}
diff --git a/2-mandatory/2-retrying-random-numbers.js b/2-mandatory/2-retrying-random-numbers.js
index 10aab37d..250065d5 100644
--- a/2-mandatory/2-retrying-random-numbers.js
+++ b/2-mandatory/2-retrying-random-numbers.js
@@ -10,7 +10,10 @@ function generateRandomNumber() {
 }
 
 function getRandomNumberGreaterThan50() {
-    // TODO - implement using a do-while loop
+    do{
+        console.log(generateRandomNumber());
+    }
+    while (generateRandomNumber()>50)
 }
 
 /* ======= TESTS - DO NOT MODIFY ===== */
diff --git a/2-mandatory/3-financial-times.js b/2-mandatory/3-financial-times.js
index 2ce6fb73..966dacc8 100644
--- a/2-mandatory/3-financial-times.js
+++ b/2-mandatory/3-financial-times.js
@@ -5,7 +5,13 @@
     Implement the function below, which will return a new array containing only article titles which will fit.
 */
 function potentialHeadlines(allArticleTitles) {
-    // TODO
+    let newArr = [];
+    for(let i=0;i<allArticleTitles.length;i++){
+        if (allArticleTitles[i].length<=65){
+            newArr.push(allArticleTitles[i]);
+        }
+        console.log(newArr);
+    }
 }
 
 /*
@@ -23,7 +29,17 @@ function titleWithFewestWords(allArticleTitles) {
     (Hint: remember that you can also loop through the characters of a string if you need to)
 */
 function headlinesWithNumbers(allArticleTitles) {
-    // TODO
+    let numbers = ["0","1","2","3","4","5","6","7","8","9"];
+    let newArr = [];
+    for(let i=0;i<allArticleTitles.length;i++){
+        for(let j=0;j<allArticleTitles[i].length;j++){
+        if (allArticleTitles[i][j] == numbers){
+            newArr.push(allArticleTitles[i]);
+        }
+        
+    }
+        console.log(newArr);
+    }
 }
 
 /*
diff --git a/2-mandatory/4-stocks.js b/2-mandatory/4-stocks.js
index 72d62f94..9ad5970f 100644
--- a/2-mandatory/4-stocks.js
+++ b/2-mandatory/4-stocks.js
@@ -34,7 +34,15 @@ const CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS = [
         Functions can help with this!
 */
 function getAveragePrices(closingPricesForAllStocks) {
-    // TODO
+    let sum = 0
+    for(let i=0;i<closingPricesForAllStocks.length;i++){
+        for(let j=0; j<closingPricesForAllStocks[i].length;j++){
+            return sum = sum + closingPricesForAllStocks[i]; 
+        }
+        
+        console.log(`the average of ${STOCKS[i]} is ${sum/closingPricesForAllStocks[i].length}`);
+    }
+    console.log(sum);
 }
 
 /*