diff --git a/Adhoc/Fizz-Buzz/solution_naive.rb b/Adhoc/Fizz-Buzz/solution_naive.rb
new file mode 100644
index 0000000..c328172
--- /dev/null
+++ b/Adhoc/Fizz-Buzz/solution_naive.rb
@@ -0,0 +1,18 @@
+class Solutuon
+	def fizz_buzz(n)
+		arr = []
+		(1..n).each do |i|
+			if i%15 == 0
+				arr << "FizzBuzz"
+			elsif i%5 == 0
+				arr << "Buzz"
+			elsif i%3 == 0
+				arr << "Fizz"
+			else
+				arr << i.to_s
+			end
+		end
+		arr
+	end
+end
+
diff --git a/Adhoc/Fizz-Buzz/solution_string_concat.rb b/Adhoc/Fizz-Buzz/solution_string_concat.rb
new file mode 100644
index 0000000..29338a7
--- /dev/null
+++ b/Adhoc/Fizz-Buzz/solution_string_concat.rb
@@ -0,0 +1,21 @@
+class Solutuon
+  def fizz_buzz(n)
+    str = ""
+    (1..n).each do |i|
+      if i%15 == 0
+        str += "FizzBuzz"
+      elsif i%5 == 0
+        str += "Buzz"
+      elsif i%3 == 0
+        str += "Fizz"
+      else
+        str += i.to_s
+      end
+    end
+    str
+  end
+end
+
+Solutuon.new.fizz_buzz(15)
+
+  
\ No newline at end of file