diff --git a/176. Second Highest Salary b/176. Second Highest Salary
new file mode 100644
index 0000000..672b2ac
--- /dev/null
+++ b/176. Second Highest Salary	
@@ -0,0 +1,6 @@
+SELECT (
+  SELECT DISTINCT salary
+  FROM Employee
+  ORDER BY salary DESC
+  LIMIT 1 OFFSET 1
+) AS SecondHighestSalary;
diff --git a/177. Nth Highest Salary b/177. Nth Highest Salary
new file mode 100644
index 0000000..3ea8fe1
--- /dev/null
+++ b/177. Nth Highest Salary	
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+CREATE FUNCTION getNthHighestSalary(N INT) RETURNS INT
+BEGIN
+SET N = N-1;
+  RETURN (
+      SELECT DISTINCT(salary) from Employee order by salary DESC
+      LIMIT 1 OFFSET N
+      
+  );
+END
+
+#pls upvote if you find solution easy to undestand....!! Thanks..!!!
diff --git a/181. Employees Earning More Than Their Managers b/181. Employees Earning More Than Their Managers
new file mode 100644
index 0000000..7b8a6be
--- /dev/null
+++ b/181. Employees Earning More Than Their Managers	
@@ -0,0 +1,4 @@
+SELECT e1.name AS Employee
+FROM Employee e1
+JOIN Employee e2 ON e1.managerId = e2.id
+WHERE e1.salary > e2.salary;