diff --git a/1338-queries-quality-and-percentage/1338-queries-quality-and-percentage.sql b/1338-queries-quality-and-percentage/1338-queries-quality-and-percentage.sql
new file mode 100644
index 0000000..bb14459
--- /dev/null
+++ b/1338-queries-quality-and-percentage/1338-queries-quality-and-percentage.sql
@@ -0,0 +1,8 @@
+select
+query_name,
+round(avg(cast(rating as decimal) / position), 2) as quality,
+round(sum(case when rating < 3 then 1 else 0 end) * 100 / count(*), 2) as poor_query_percentage
+from
+queries
+group by
+query_name;
\ No newline at end of file