diff --git a/src/index.js b/src/index.js
index d54b3622..2ab07094 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,12 +1,43 @@
 
 exports.min = function min (array) {
+  try{
+  if(array.length==0)
   return 0;
+  let min=array[0];
+  for (let i = 1; i < array.length; i++) {
+    if(min>array[i]){
+      min=array[i];
+    }
+  }
+  return min;
+}catch{
+return 0;
+}
 }
 
 exports.max = function max (array) {
+ try{
+  if(array.length==0)
+  return 0;
+  let max=array[0];
+  for (let i = 1; i < array.length; i++) {
+    if(max<array[i]){
+      max=array[i];
+    }
+  }
+  return max;
+}catch{
   return 0;
 }
+}
 
 exports.avg = function avg (array) {
+  try{
+  if(array.length==0)
   return 0;
+ return array.reduce((acoom,item)=>acoom+item)/array.length;
+  }catch{
+    return 0;
+  }
+  
 }