diff --git a/CodeChef/recipe.py b/CodeChef/recipe.py
new file mode 100644
index 0000000..5b4bda5
--- /dev/null
+++ b/CodeChef/recipe.py
@@ -0,0 +1,22 @@
+def findGcd(m, n):
+	while(m != n):
+		if m > n:
+			m = m - n;
+		else:
+			n = n - m;
+	return m;
+
+t = int(input());
+
+for i in range(0, t):
+	ing = list(map(int, input().split(' ')))
+
+	n = ing[0];
+
+	gcd = ing[1];
+
+	for j in range(2, n+1):
+		gcd = findGcd(gcd, ing[j]);
+
+	for j in range(1, n+1):
+		print(str(int(ing[j]/gcd)), end=' ');
\ No newline at end of file
diff --git a/HackerRank/sql project planning.txt b/HackerRank/sql project planning.txt
new file mode 100644
index 0000000..d750bd6
--- /dev/null
+++ b/HackerRank/sql project planning.txt	
@@ -0,0 +1,13 @@
+#https://www.hackerrank.com/challenges/sql-projects/problem
+
+SELECT Start_Date, MIN(End_Date) FROM
+
+(SELECT Start_Date FROM Projects WHERE Start_Date NOT IN (SELECT End_Date FROM Projects)) AS s,
+
+(SELECT End_Date FROM Projects WHERE End_Date NOT IN (SELECT Start_Date FROM Projects)) AS e
+
+WHERE Start_Date < End_Date
+
+GROUP BY Start_Date
+
+ORDER BY DATEDIFF(MIN(End_Date), Start_Date), Start_Date;
\ No newline at end of file