diff --git a/src/arrays.ts b/src/arrays.ts
index d9ada59..e881ac4 100644
--- a/src/arrays.ts
+++ b/src/arrays.ts
@@ -11,8 +11,8 @@
 
 function isArrayLengthOdd(numbers: number[]): boolean {
   // Your code here
-
-  return false; // replace false with what you see is fit
+    
+  return numbers.length%2 !== 0; // replace false with what you see is fit
 }
 
 /**
@@ -29,7 +29,7 @@ function isArrayLengthOdd(numbers: number[]): boolean {
 function isArrayLengthEven(numbers: number[]): boolean {
   // Your code here
 
-  return false; // replace false with what you see is fit
+  return numbers.length%2 === 0; // replace false with what you see is fit
 }
 
 /**
@@ -42,8 +42,8 @@ function isArrayLengthEven(numbers: number[]): boolean {
  */
 function addLailaToArray(instructors: string[]): string[] {
   // Your code here
-
-  return []; // replace empty array with what you see is fit
+  instructors.push("Laila")
+  return instructors; // replace empty array with what you see is fit
 }
 
 /**
@@ -56,8 +56,8 @@ function addLailaToArray(instructors: string[]): string[] {
  */
 function eliminateTeam(teams: string[]): string {
   // Your code here
-
-  return ""; // replace empty string with what you see is fit
+    let lastTeamMember = teams.pop()
+  return lastTeamMember?lastTeamMember:""; // replace empty string with what you see is fit
 }
 
 export { isArrayLengthOdd, isArrayLengthEven, addLailaToArray, eliminateTeam };
diff --git a/src/challenge.ts b/src/challenge.ts
index 620530f..05cad85 100644
--- a/src/challenge.ts
+++ b/src/challenge.ts
@@ -14,7 +14,10 @@
  */
 function secondHalfOfArrayIfItIsEven(fruits: string[]): string[] {
   // Your code here
-
+  if(fruits.length%2 === 0)
+  {
+    return fruits.slice(fruits.length/2, fruits.length)
+  }
   return []; // replace empty array with what you see is fit
 }
 
@@ -34,8 +37,14 @@ function secondHalfOfArrayIfItIsEven(fruits: string[]): string[] {
  */
 function youGottaCalmDown(shout: string): string {
   // Your code here
-
-  return ""; // replace the empty string with what you see is fit
+  let shouting = shout.split('!')
+  if(shouting.length === 1 )
+  {
+    return shout
+  }
+  // shouting = shouting.concat(shouting[0], shouting[1]);
+  
+  return shouting[0]+'!'; // replace the empty string with what you see is fit
 }
 
 export { secondHalfOfArrayIfItIsEven, youGottaCalmDown };