diff --git a/src/main/java/com/dtcc/exams/part1/BasicUtilities.java b/src/main/java/com/dtcc/exams/part1/BasicUtilities.java
index 640df37..ba084ef 100644
--- a/src/main/java/com/dtcc/exams/part1/BasicUtilities.java
+++ b/src/main/java/com/dtcc/exams/part1/BasicUtilities.java
@@ -3,19 +3,32 @@
 public class BasicUtilities {
 
     public Boolean isGreaterThan5(Integer value) {
-        return null;
+    	    if (value > 5) {
+    	    	return true; }
+    	    else return false ; 
     }
 
     public Boolean isLessThan7(Integer value) {
-        return null;
-    }
-
-    public Boolean isBetween5And7(Integer valueToEvaluate) {
-        return null;
+    		if (value < 7) {
+    			return true; }
+    		else return false ; 
+ 	    		}
+    
+   public Boolean isBetween5And7(Integer valueToEvaluate) {
+    		if (valueToEvaluate > 5 && valueToEvaluate < 7){
+    			return true;}
+       		else return false;
     }
 
+   // Not included in the Part 1 specifications
     public Boolean startsWith(String string, Character character) {
-        return null;
-    }
+    	boolean startsWith = false;
+    	String strCheck = string.charAt(0) + "";
+		String strChar = character + "";
+		if(strCheck.equalsIgnoreCase(strChar)){
+			startsWith = true;}
+		return startsWith;
+
+		}
 
 }
\ No newline at end of file
diff --git a/src/main/java/com/dtcc/exams/part1/DelTechConcatenator.java b/src/main/java/com/dtcc/exams/part1/DelTechConcatenator.java
index 61abcdd..1fa3471 100644
--- a/src/main/java/com/dtcc/exams/part1/DelTechConcatenator.java
+++ b/src/main/java/com/dtcc/exams/part1/DelTechConcatenator.java
@@ -2,19 +2,33 @@
 
 public class DelTechConcatenator {
 
+	Integer input;
     public DelTechConcatenator(Integer input) {
+	this.input=input;
     }
 
     public Boolean isDel() {
-        return null;
-    }
+    	if(this.input %3 == 0){
+    	return true;}
+    	else {return false;
+            }
+}
 
     public Boolean isTech() {
-        return null;
+    	if(this.input %5 == 0){
+    	return true;}
+    	else {return false;
+    	            }
     }
 
     public Boolean isDelTech() {
-        return null;
+    	if(this.input %3 ==0 && this.input % 5 == 0) {
+    	return true;}
+    	else {return false;
+    	}
+    	
+    }	
+       
     }
 
-}
+
diff --git a/src/main/java/com/dtcc/exams/part1/IntegerArrayUtilities.java b/src/main/java/com/dtcc/exams/part1/IntegerArrayUtilities.java
index a7e9aaa..026e306 100644
--- a/src/main/java/com/dtcc/exams/part1/IntegerArrayUtilities.java
+++ b/src/main/java/com/dtcc/exams/part1/IntegerArrayUtilities.java
@@ -1,21 +1,36 @@
 package com.dtcc.exams.part1;
-
+import java.util.*;
 public class IntegerArrayUtilities {
 
     public Boolean hasEvenLength(Integer[] array) {
-        return null;
+    	if(array.length%2==0) {
+    	return true; }
+    	else return false;
     }
 
     public Integer[] range(int start, int stop) {
-        return null;
+    	ArrayList<Integer> range = new ArrayList<>();
+    	for (int i = start; i < stop; i++) {
+            range.add(i);
+        }
+    	 Integer[] rangeArray=new Integer[range.size()];
+         for(int i=0;i<rangeArray.length;i++){
+             rangeArray[i]=(Integer)range.get(i);}
+               return rangeArray;
     }
 
-    public Integer getSumOfFirstTwo(Integer[] array) {
-        return null;
+    // Not included in the Part 1 specifications
+   public Integer getSumOfFirstTwo(Integer[] array) {
+        Integer sum;
+        sum = array[0] + array[1];
+
+       return sum;
     }
 
     public Integer getProductOfFirstTwo(Integer[] array) {
-        return null;
+        Integer product;
+        product = array[array.lenght-2] * array[array.length-1];
+            return product;
     }
 
 }
diff --git a/src/test/java/com/dtcc/exams/part1/basicutilities/basicutilities.iml b/src/test/java/com/dtcc/exams/part1/basicutilities/basicutilities.iml
new file mode 100644
index 0000000..b107a2d
--- /dev/null
+++ b/src/test/java/com/dtcc/exams/part1/basicutilities/basicutilities.iml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file