diff --git a/challenges/getFileExtension/solutions/get_file_extension.rb b/challenges/getFileExtension/solutions/get_file_extension.rb
new file mode 100644
index 0000000..3598941
--- /dev/null
+++ b/challenges/getFileExtension/solutions/get_file_extension.rb
@@ -0,0 +1,18 @@
+# Option 1 
+# def get_file_extention(file_name: raise)
+# 	extensions_ary = file_name.split(".")
+# 	extensions_ary.size == 1 ? (return false) : (return extensions_ary.last)
+# end
+
+# Option 2 - Library function
+def get_file_extention(file_name: raise)
+	ext = File.extname(file_name).gsub(".","")
+	ext.empty? ? false : ext
+end
+
+# Test cases
+file_names = ["data.txt", "index.html.erb", ".aws.txt", "foo"]
+
+file_names.each {|name| 
+	puts "file name for #{name} is #{get_file_extention(file_name: name)}"
+}
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