diff --git a/1-exercises/B-while-loop/exercise.js b/1-exercises/B-while-loop/exercise.js
index b459888f..a792a99d 100644
--- a/1-exercises/B-while-loop/exercise.js
+++ b/1-exercises/B-while-loop/exercise.js
@@ -6,7 +6,15 @@
 */
 
 function evenNumbers(n) {
-    // TODO
+    let i = 0 
+    const arr = []
+    while (i < n && n > 0){
+        arr.push(i * 2)
+        console.log(arr[i])
+        i++
+    }
+    return arr.join(',')
+
 }
 
 evenNumbers(3); // should output 0,2,4
diff --git a/1-exercises/C-while-loop-with-array/exercise.js b/1-exercises/C-while-loop-with-array/exercise.js
index d584cd75..ad5b8153 100644
--- a/1-exercises/C-while-loop-with-array/exercise.js
+++ b/1-exercises/C-while-loop-with-array/exercise.js
@@ -17,7 +17,12 @@ const BIRTHDAYS = [
 ];
 
 function findFirstJulyBDay(birthdays) {
-    // TODO
+let i = 0
+while (i<= BIRTHDAYS.length) {
+    let a = birthdays[5]
+    console.log(a[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..c237a727 100644
--- a/1-exercises/D-do-while/exercise.js
+++ b/1-exercises/D-do-while/exercise.js
@@ -7,7 +7,11 @@
 */
 
 function evenNumbersSum(n) {
-    // TODO
+    i=0
+ do {
+    console.log(i)
+    i++
+ } while (i<=5);
 }
 
 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..fa68fddf 100644
--- a/1-exercises/E-for-loop/exercise1.js
+++ b/1-exercises/E-for-loop/exercise1.js
@@ -6,9 +6,9 @@
 
 
 // Change the below code to use a for loop instead of a while loop.
-let i = 0;
-while(i < 26) {
-    console.log(String.fromCharCode(97 + i));
-    i++;
+
+for(let i = 0; i < 26; i++) {
+console.log(String.fromCharCode(97 + i));
+ i++;
 }
 // The output shouldn't change.
diff --git a/1-exercises/E-for-loop/exercise2.js b/1-exercises/E-for-loop/exercise2.js
index 081002b2..3f393e23 100644
--- a/1-exercises/E-for-loop/exercise2.js
+++ b/1-exercises/E-for-loop/exercise2.js
@@ -26,7 +26,9 @@ const AGES = [
     49
 ];
 
-// TODO - Write for loop code here
+for (let i = 0; i <WRITERS.length; i++){
+    console.log(WRITERS[i] + ' is ' + AGES[i] + ' years old ')
+}
 
 /*
 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..403f73b2 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 = 0; i < tubeStations.length; i++){
+    console.log(tubeStations[i]);
+}
 
 // TODO Use a for-of loop to capitalise and output each letter in the string seperately.
 let str = "codeyourfuture";
+for (let i = 0; i <str.length; i++){
+    console.log(str[i].toUpperCase())
+}
\ No newline at end of file
diff --git a/2-mandatory/1-weather-report.js b/2-mandatory/1-weather-report.js
index dcc2bdb0..a9cfb0c5 100644
--- a/2-mandatory/1-weather-report.js
+++ b/2-mandatory/1-weather-report.js
@@ -12,7 +12,12 @@
 */
 
 function getTemperatureReport(cities) {
-    // TODO
+    let temperatureReport = [];
+    for (city of cities) {
+      let cityTemp = temperatureService(city);
+      temperatureReport.push(`The temperature in ${city} is ${cityTemp} degrees`);
+    }
+    return temperatureReport;
 }
 
 
diff --git a/2-mandatory/2-retrying-random-numbers.js b/2-mandatory/2-retrying-random-numbers.js
index 10aab37d..a1504ecd 100644
--- a/2-mandatory/2-retrying-random-numbers.js
+++ b/2-mandatory/2-retrying-random-numbers.js
@@ -11,6 +11,11 @@ function generateRandomNumber() {
 
 function getRandomNumberGreaterThan50() {
     // TODO - implement using a do-while loop
+    let i = 0
+    do {
+        i = generateRandomNumber()
+    } while (i<50);
+    return i
 }
 
 /* ======= TESTS - DO NOT MODIFY ===== */
diff --git a/2-mandatory/3-financial-times.js b/2-mandatory/3-financial-times.js
index 2ce6fb73..51c43931 100644
--- a/2-mandatory/3-financial-times.js
+++ b/2-mandatory/3-financial-times.js
@@ -5,7 +5,7 @@
     Implement the function below, which will return a new array containing only article titles which will fit.
 */
 function potentialHeadlines(allArticleTitles) {
-    // TODO
+    return allArticleTitles.filter((article) => article.length <= 65)
 }
 
 /*
@@ -14,7 +14,12 @@ function potentialHeadlines(allArticleTitles) {
     (you can assume words will always be seperated by a space)
 */
 function titleWithFewestWords(allArticleTitles) {
-    // TODO
+    let result = allArticleTitles[0]
+    for (let i = 0; i < allArticleTitles.length; i++) {
+        if (allArticleTitles[i].split(' ').length < result.split(' ').length)
+        result = allArticleTitles[i];
+    }
+    return result 
 }
 
 /*
@@ -23,7 +28,7 @@ function titleWithFewestWords(allArticleTitles) {
     (Hint: remember that you can also loop through the characters of a string if you need to)
 */
 function headlinesWithNumbers(allArticleTitles) {
-    // TODO
+    return allArticleTitles.filter((article) => article.match(/(\d+)/));
 }
 
 /*
@@ -31,7 +36,12 @@ function headlinesWithNumbers(allArticleTitles) {
     Implement the function below to return this number - rounded to the nearest integer.
 */
 function averageNumberOfCharacters(allArticleTitles) {
-    // TODO
+    let i = 0;
+    for (let title of allArticleTitles) {
+      i += title.length;
+    }
+    let average = total / allArticleTitles.length;
+    return Math.round(average);
 }
 
 
diff --git a/2-mandatory/4-stocks.js b/2-mandatory/4-stocks.js
index 72d62f94..3086e5f9 100644
--- a/2-mandatory/4-stocks.js
+++ b/2-mandatory/4-stocks.js
@@ -34,7 +34,9 @@ const CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS = [
         Functions can help with this!
 */
 function getAveragePrices(closingPricesForAllStocks) {
-    // TODO
+    return closingPricesForAllStocks.map(priceArr => {
+        return Number((priceArr.reduce((tot, num) => tot + num) / priceArr.length).toFixed(2));
+    })
 }
 
 /*
@@ -48,7 +50,9 @@ function getAveragePrices(closingPricesForAllStocks) {
     The price change value should be rounded to 2 decimal places, and should be a number (not a string)
 */
 function getPriceChanges(closingPricesForAllStocks) {
-    // TODO
+    return closingPricesForAllStocks.map(priceArr => {
+        return Number((priceArr[priceArr.length - 1] - priceArr[0]).toFixed(2));
+    })
 }
 
 /*