diff --git a/S4/MCQs/2027/mcq-2027-s4-01-mcq.json b/S4/MCQs/2027/mcq-2027-s4-01-mcq.json
index 23bd8be..09723cc 100644
--- a/S4/MCQs/2027/mcq-2027-s4-01-mcq.json
+++ b/S4/MCQs/2027/mcq-2027-s4-01-mcq.json
@@ -77,7 +77,7 @@
 		null,
 		null,
 		null,
-		null,
+		null
 
 	],
 	"score_valid": 1,
diff --git a/S4/MCQs/2027/mcq-2027-s4-02-mcq.json b/S4/MCQs/2027/mcq-2027-s4-02-mcq.json
index 8d3446e..60c45db 100644
--- a/S4/MCQs/2027/mcq-2027-s4-02-mcq.json
+++ b/S4/MCQs/2027/mcq-2027-s4-02-mcq.json
@@ -77,7 +77,7 @@
 		null,
 		null,
 		null,
-		null,
+		null
 
 	],
 	"score_valid": 1,
diff --git a/S4/MCQs/2027/mcq-2027-s4-03-mcq.json b/S4/MCQs/2027/mcq-2027-s4-03-mcq.json
index d655e6c..ec3362b 100644
--- a/S4/MCQs/2027/mcq-2027-s4-03-mcq.json
+++ b/S4/MCQs/2027/mcq-2027-s4-03-mcq.json
@@ -77,7 +77,7 @@
 		null,
 		null,
 		null,
-		null,
+		null
 
 	],
 	"score_valid": 1,
diff --git a/S4/MCQs/2027/mcq-2027-s4-04-mcq.json b/S4/MCQs/2027/mcq-2027-s4-04-mcq.json
index 95917d4..4504127 100644
--- a/S4/MCQs/2027/mcq-2027-s4-04-mcq.json
+++ b/S4/MCQs/2027/mcq-2027-s4-04-mcq.json
@@ -77,7 +77,7 @@
 		null,
 		null,
 		null,
-		null,
+		null
 
 	],
 	"score_valid": 1,
diff --git a/S4/MCQs/2027/mcq-2027-s4-05-mcq.json b/S4/MCQs/2027/mcq-2027-s4-05-mcq.json
index 56263a6..4dc3a82 100644
--- a/S4/MCQs/2027/mcq-2027-s4-05-mcq.json
+++ b/S4/MCQs/2027/mcq-2027-s4-05-mcq.json
@@ -77,8 +77,7 @@
 		null,
 		null,
 		null,
-		null,
-
+		null
 	],
 	"score_valid": 1,
 	"score_invalid": -0.5,
diff --git a/S4/MCQs/2027/mcq-2027-s4-06-mcq.json b/S4/MCQs/2027/mcq-2027-s4-06-mcq.json
index 8709340..dcbe9a9 100644
--- a/S4/MCQs/2027/mcq-2027-s4-06-mcq.json
+++ b/S4/MCQs/2027/mcq-2027-s4-06-mcq.json
@@ -77,7 +77,7 @@
 		null,
 		null,
 		null,
-		null,
+		null
 
 	],
 	"score_valid": 1,
diff --git a/S4/MCQs/2027/mcq-2027-s4-07-mcq.json b/S4/MCQs/2027/mcq-2027-s4-07-mcq.json
index b987281..4aa1738 100644
--- a/S4/MCQs/2027/mcq-2027-s4-07-mcq.json
+++ b/S4/MCQs/2027/mcq-2027-s4-07-mcq.json
@@ -77,7 +77,7 @@
 		null,
 		null,
 		null,
-		null,
+		null
 
 	],
 	"score_valid": 1,
diff --git a/S4/MCQs/2027/mcq-2027-s4-08-mcq.json b/S4/MCQs/2027/mcq-2027-s4-08-mcq.json
index 78cdf0f..bec87f5 100644
--- a/S4/MCQs/2027/mcq-2027-s4-08-mcq.json
+++ b/S4/MCQs/2027/mcq-2027-s4-08-mcq.json
@@ -77,7 +77,7 @@
 		null,
 		null,
 		null,
-		null,
+		null
 
 	],
 	"score_valid": 1,
diff --git a/S4/MCQs/2027/mcq-2027-s4-09-mcq.json b/S4/MCQs/2027/mcq-2027-s4-09-mcq.json
index 1671745..88be29a 100644
--- a/S4/MCQs/2027/mcq-2027-s4-09-mcq.json
+++ b/S4/MCQs/2027/mcq-2027-s4-09-mcq.json
@@ -36,7 +36,7 @@
 		"A",
 		"B",
 		"D",
-		"B",
+		"C",
 		"B",
 		"B",
 		"A",
@@ -77,7 +77,7 @@
 		null,
 		null,
 		null,
-		null,
+		null
 
 	],
 	"score_valid": 1,
diff --git a/S4/MCQs/2027/mcq-2027-s4-10-mcq.json b/S4/MCQs/2027/mcq-2027-s4-10-mcq.json
index f879921..b4e5dd2 100644
--- a/S4/MCQs/2027/mcq-2027-s4-10-mcq.json
+++ b/S4/MCQs/2027/mcq-2027-s4-10-mcq.json
@@ -77,7 +77,7 @@
 		null,
 		null,
 		null,
-		null,
+		null
 
 	],
 	"score_valid": 1,
diff --git a/S4/MCQs/2027/mcq-2027-s4-11-mcq.json b/S4/MCQs/2027/mcq-2027-s4-11-mcq.json
index a2e13fc..a752980 100644
--- a/S4/MCQs/2027/mcq-2027-s4-11-mcq.json
+++ b/S4/MCQs/2027/mcq-2027-s4-11-mcq.json
@@ -31,7 +31,7 @@
 		"C",
 		"B",
 		"D",
-		"CCD",
+		"C",
 		"A",
 		"C",
 		"D",
@@ -77,7 +77,7 @@
 		null,
 		null,
 		null,
-		null,
+		null
 
 	],
 	"score_valid": 1,