diff --git a/src/arrays.ts b/src/arrays.ts
index d9ada59..7b28c21 100644
--- a/src/arrays.ts
+++ b/src/arrays.ts
@@ -11,9 +11,17 @@
 
 function isArrayLengthOdd(numbers: number[]): boolean {
   // Your code here
-
+  let count = 0;
+  for (let i = 0; i < numbers.length; i++) {
+    count += 1;
+  }
+  if (count % 2 !== 0) {
+    return true;
+  }
   return false; // replace false with what you see is fit
 }
+console.log(isArrayLengthOdd([1, 2, 3]));
+console.log(isArrayLengthOdd([1, 2, 3, 4]));
 
 /**
  * isArrayLengthEven(numbers):
@@ -28,9 +36,17 @@ function isArrayLengthOdd(numbers: number[]): boolean {
 
 function isArrayLengthEven(numbers: number[]): boolean {
   // Your code here
-
+  let count = 0;
+  for (let i = 0; i < numbers.length; i++) {
+    count += 1;
+  }
+  if (count % 2 == 0) {
+    return true;
+  }
   return false; // replace false with what you see is fit
 }
+console.log(isArrayLengthEven([1, 2, 3]));
+console.log(isArrayLengthEven([1, 2, 3, 4]));
 
 /**
  * addLailaToArray(instructors):
@@ -42,10 +58,10 @@ 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
 }
-
+console.log(addLailaToArray(["Mshary", "Hasan"]));
 /**
  * eliminateTeam(teams):
  * - Accepts a "teams" parameter of type "string[]"
@@ -56,8 +72,9 @@ function addLailaToArray(instructors: string[]): string[] {
  */
 function eliminateTeam(teams: string[]): string {
   // Your code here
-
-  return ""; // replace empty string with what you see is fit
+  const eliminated = teams.pop();
+  return eliminated!; // replace empty string with what you see is fit
 }
+console.log(eliminateTeam(["Brazil", "Germany", "Italy"]));
 
 export { isArrayLengthOdd, isArrayLengthEven, addLailaToArray, eliminateTeam };