Updated pretest post test

Author: mrudhvika940

experiment/posttest.json

@@ -0,0 +1,19 @@
+[
+  {
+    "question":"1.This is a sample question:",
+    "answers":{
+      "a":"This is a sample answer A",
+      "b":"This is a sample answer B"
+    },
+    "correctAnswer":"a"
+  },
+  {
+    "question":"<img src='images/8.PNG'><br>Identify the location of Secondary electron detector",
+    "answers":{
+      "a":"<img src='images/1b.png'>",
+      "b":"<img src='images/1a.png'>",
+      "c":"<img src='images/1c.PNG'>"
+    },
+    "correctAnswer":"c"
+  }
+]

experiment/pretest.json

@@ -0,0 +1,19 @@
+[
+  {
+    "question":"1.This is a sample question:",
+    "answers":{
+      "a":"This is a sample answer A",
+      "b":"This is a sample answer B"
+    },
+    "correctAnswer":"a"
+  },
+  {
+    "question":"<img src='images/8.PNG'><br>Identify the location of Secondary electron detector",
+    "answers":{
+      "a":"<img src='images/1b.png'>",
+      "b":"<img src='images/1a.png'>",
+      "c":"<img src='images/1c.PNG'>"
+    },
+    "correctAnswer":"c"
+  }
+]