diff --git a/app/iqtest/page.jsx b/app/iqtest/page.jsx
index 765b6e8..76f644f 100644
--- a/app/iqtest/page.jsx
+++ b/app/iqtest/page.jsx
@@ -58,7 +58,8 @@ export default function Test1() {
     const partIndex = index % 6 ? index % 6 : 6;
     let part;
     let partOptionsNum;
-    const partNum = Math.trunc(index / 6);
+    const partNum = Math.trunc((index - 1) / 6);
+    console.log(partNum);
     switch (partNum) {
       case 0:
         part = "A";