diff --git a/src/index.js b/src/index.js
index bea6dce..477b5c8 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,35 +1,232 @@
 // 1. Add function code goes here
+function add(a,b)
+  {
+   return a+b;
+  }
+console.log(add(1,1));
+
 exports.add = function add() {};
 
 // 2. Multiply function code goes here
+function multiply(a,b)
+  {
+   return a*b;
+  }
+console.log(multiply(5,6));
 exports.multiply = function multiply() {};
 
 // 3. OddOrEven function code goes here
+function oddOrEven(num){
+  if (!isNaN(num))
+  {
+    if (num % 2 === 0)
+    {
+      console.log ("The number provided '" + num + "' is an even number");
+    }
+    else if (num % 2 != 0)
+    {
+      console.log("The number provided '" + num + "' is an odd number");
+    }
+  }
+  else
+  {
+    console.log("The data provided '" + num + "' is not a number");
+  }
+}
+oddOrEven(2);
+oddOrEven(5);
+oddOrEven('X');
+oddOrEven("Y");
 exports.oddOrEven = function oddOrEven() {};
 
 // 4. Write a function that returns an array that includes number 1 to 100
 // Ex: [1,2,3,4, ..., 99, 100]
+function arrayGenerator()
+{
+  let x;
+  for (x=1;x<=100;x++)
+  {
+    console.log(x);
+  }
+}
+arrayGenerator();
 exports.arrayGenerator = function arrayGenerator() {};
 
 // 5. Fix this function. We want to see 2 in the console instead of undefined
 exports.hoisting = function hoisting() {
-  console.log(y); // undefined
   let y = 2;
+  console.log(y); // undefined
 };
 
 // 6. Write a function that accepts unlimited amount of numbers as input
 // and return the smallest value
+function minValue(x) {
+  let small;
+  for (let arr of x) 
+  {
+    small = arr;
+    for (let arr1 of x) {
+      if (arr1 < small)
+      {
+        small = arr1;
+      }
+    }   
+  }
+    console.log(small); 
+};
+let x = [12,12,32,30,14,52,22,1312,10];
+minValue(x);
 exports.minValue = function minValue() {};
 
 // 7. Write a function that accepts an array of numbers as input
 // and return a new array with all numbers doubled
 // Ex: [1,2,3] => [2,4,6]
+function doubleArray(x) {
+  for (let initial of x) 
+  {
+      console.log(initial+initial); 
+  }
+};
+let iniArr = [1,2,3,4,5,6,7];
+doubleArray(iniArr);
 exports.doubleArray = function doubleArray() {};
 
 // 8. We have an array of students object, each object will have a name property
 // write a function that accepts a student array as first parameter, and a name as second parameter
 // and return the student with that name
 // Example of student array: const students = [{ name: 'a' }, { name: 'b' }];
+function findStudentName(stuArr,stuName)
+{
+let x;
+//console.log(stuArr, stuName);
+  for (const stu in stuArr)
+    {
+    //console.log(stu);
+    //console.log(stuArr[stu].name);
+      if (stuArr[stu].name == stuName)
+      {
+        x = 1;
+        console.log("The name of the student is " + stuArr[stu].name);
+      }
+    }
+    if (x!=1)
+    {
+        console.log("The student name is not defined.");
+    }
+}
+const students = [
+  {
+    name: "Nammu"
+  },
+  {
+    name: "Raj"
+  },
+  {
+    name: "Punyani"
+  }
+]
+findStudentName(students,"Nammu");
 exports.findStudentName = function findStudentName() {};
 
 // 9. Transform all of the above into arrow functions below here
+const sum3 = (a,b) => a + b;
+console.log(sum3(1,3));
+
+const multiply = (a,b) => a * b;
+console.log(multiply(5,3));
+
+const checkEvenOdd = (num) => {
+  if (!isNaN(num))
+  {
+    if (num % 2 === 0)
+    {
+      console.log ("The number provided '" + num + "' is an even number");
+    }
+    else if (num % 2 != 0)
+    {
+      console.log("The number provided '" + num + "' is an odd number");
+    }
+  }
+  else
+  {
+    console.log("The data provided '" + num + "' is not a number");
+  }
+}
+checkEvenOdd(2);
+checkEvenOdd(5);
+checkEvenOdd('X');
+checkEvenOdd("Y");
+
+const arrayGenerator = () =>
+{
+  let x;
+  for (x=1;x<=100;x++)
+  {
+    console.log(x);
+  }
+}
+arrayGenerator();
+
+const hoisting = () => {
+  let y = 2;
+  console.log(y); // undefined
+};
+hoisting();
+
+const minValue = (x) => {
+  let small;
+  for (let arr of x) 
+  {
+    small = arr;
+    for (let arr1 of x) {
+      if (arr1 < small)
+      {
+        small = arr1;
+      }
+    }   
+  }
+    console.log(small); 
+};
+let x = [12,12,32,30,14,52,22,1312,10];
+minValue(x);
+
+const doubleArray = (x) => {
+  for (let initial of x) 
+  {
+      console.log(initial+initial); 
+  }
+};
+let iniArr = [1,2,3,4,5,6,7];
+doubleArray(iniArr);
+
+const findStudentName = (stuArr,stuName) => 
+{
+let x;
+//console.log(stuArr, stuName);
+  for (const stu in stuArr)
+    {
+    //console.log(stu);
+    //console.log(stuArr[stu].name);
+      if (stuArr[stu].name == stuName)
+      {
+        x = 1;
+        console.log("The name of the student is " + stuArr[stu].name);
+      }
+    }
+    if (x!=1)
+    {
+        console.log("The student name is not defined.");
+    }
+}
+const students = [
+  {
+    name: "Nammu"
+  },
+  {
+    name: "Raj"
+  },
+  {
+    name: "Punyani"
+  }
+]
+findStudentName(students,"Nammu");