diff --git a/TestAssessment/TestViewController.m b/TestAssessment/TestViewController.m
index 1f111c4..39e5132 100644
--- a/TestAssessment/TestViewController.m
+++ b/TestAssessment/TestViewController.m
@@ -19,39 +19,53 @@ @implementation TestViewController
     This method should return any negative NSInteger
     (hint: cannot be 0)
  */
-- (void)shouldReturnANegativeNSInteger {
+- (NSInteger)shouldReturnANegativeNSInteger {
+    
+return -5;
     
 }
-
 /*
     This method should return any positive CGFloat
     (hint: cannot be 0)
  */
-- (void)shouldReturnAPositiveCGFloat {
-    
+- (CGFloat)shouldReturnAPositiveCGFloat {
+    return 5.5;
 }
 
 /*
     This method should return a truthy boolean
     Truthy: Something which evaluates to TRUE.
  */
-- (void)shouldReturnAPositiveBool {
+- (BOOL)shouldReturnAPositiveBool {
+    return true;
     
 }
 
 /*
     This method should return any single char from c - l
  */
-- (void)shouldReturnACharCtoL {
-    
+- (char)shouldReturnACharCtoL {
+    return 'd';
 }
 
 /*
-    This method should return the product of all numbers from
+    This method should return the sum of all numbers from
     0 - 1000 using a loop (eg. 1 + 2 + 3 + ... + 998 + 999)
  */
 - (NSInteger)shouldReturnSumOf0To1000 {
-    return 0;
+    
+    NSInteger sum = 0;
+    
+    for (int i = 0; i < 1001; i++) {
+        
+        NSLog(@"%d",i);
+        
+        sum = sum + i;
+        
+        
+    }
+    
+    return sum;
 }
 
 /*
@@ -60,7 +74,22 @@ Given a c array (int[]) and a count, return the average of the numbers within th
  */
 - (NSInteger)shouldReturnAverageOfArrayValues :(int *)arr
                                  withSize:(int)count {
-    return 0;
+    
+    NSInteger sum = 0;
+    NSInteger average = 0;
+    
+    for (int i = 0; i < count; i++) {
+       
+        sum = sum + arr[i];
+        
+        average = sum / count;
+    }
+    
+    // calculate average
+    
+    
+    
+    return average;
 }
 
 /*
@@ -70,6 +99,16 @@ Provided a C string (array of chars), return the character
     (hint: assume there will be a char after g)
  */
 - (char)shouldReturnCharAfterG:(char *)str {
+    
+//    char c = "didfhkjeugfal";
+    
+    for (int i = 0; i < strlen(str); i++) {
+        printf("%c", str[i]);
+        if (str[i] == 'g') {
+            return str[i + 1];
+        }
+    }
+    
     return '\0';
 }
 
@@ -79,7 +118,11 @@ - (char)shouldReturnCharAfterG:(char *)str {
  */
 - (NSInteger)productOfAnInteger:(NSInteger)aNumber
               andAnotherInteger:(NSInteger)bNumber {
-    return 0.0;
+    
+    
+   return aNumber * bNumber;
+    
+    
 }
 
 
@@ -87,14 +130,27 @@ - (NSInteger)productOfAnInteger:(NSInteger)aNumber
     This method should return a YES if aNumber is Even
  */
 - (BOOL)isEven:(NSInteger)aNumber {
-    return NO;
+    
+    if (aNumber % 2 == 0) {
+        return YES;
+    }else
+        return NO;
+    
+    return YES;
 }
 
 /*
     This method should return YES if aNumber is a multiple of 10
  */
 - (BOOL)isMultipleOfTen:(NSInteger)aNumber {
-    return NO;
+    
+    if (aNumber % 10 == 0) {
+        return YES;
+    }else
+        return NO;
+    
+    
+    return YES;
 }
 
 /*
@@ -102,7 +158,14 @@ - (BOOL)isMultipleOfTen:(NSInteger)aNumber {
  */
 - (BOOL)returnYesIfThisNumberIsOdd:(NSInteger)aNumber
                andThisNumberIsEven:(NSInteger)bNumber {
-    return NO;
+    
+    if ((aNumber % 2 == 1)&&(bNumber % 2 == 0)) {
+        return YES;
+    }else
+        return NO;
+    
+    
+    return YES;
 }
 
 /*
@@ -110,13 +173,14 @@ - (BOOL)returnYesIfThisNumberIsOdd:(NSInteger)aNumber
     (hint: command + click on the class name to see what methods are available)
  */
 - (NSString *)shouldReturnCarModel:(Car *)car {
-    return @"";
+   return [car model];
 }
 
 /*
     This method should change the model of the car to "Firebird"
  */
 - (void)changeCarModelToFirebird:(Car *)car {
+    [car setModel:@"Firebird"];
 }
 
 /*
@@ -124,7 +188,10 @@ - (void)changeCarModelToFirebird:(Car *)car {
     the car's current fuel level
  */
 - (CGFloat)tellCarToDrive4MilesAndReturnFuelLevel:(Car *)car {
-    return 0.0;
+    Car *mike = [[Car alloc] init];
+    [car drive:4];
+    
+    return [car fuelLevel];
 }
 
 /*
@@ -135,11 +202,29 @@ - (CGFloat)tellCarToDrive4MilesAndReturnFuelLevel:(Car *)car {
     4) Return the car
  */
 - (Car *)createAndReturnANewCar {
-    return [[Car alloc] init];
+    Car *mike = [[Car alloc] init];
+    [mike setModel:@"Honda Pilot"];
+    [mike drive:6];
+    
+    return mike;
 }
 
+// [34, 135, 463, 13, 12, 57, 653]
 - (int)returnSumOfAllItemsGreaterThan100:(int *)arr withSize:(int)size {
-    return 0;
+    
+    int sum = 0;
+    
+    for (int i = 0; i < size; i++) {
+        
+        if (arr[i] > 100) {
+            sum = sum + arr[i];
+        }
+        
+    }
+    
+    
+    
+    return sum;
 }
 
 @end