diff --git a/Course 4: Sequences, Time Series and Prediction/README.md b/Course 4: Sequences, Time Series and Prediction/README.md
index b704265..48d522a 100644
--- a/Course 4: Sequences, Time Series and Prediction/README.md	
+++ b/Course 4: Sequences, Time Series and Prediction/README.md	
@@ -91,6 +91,11 @@
         <img src="./img/w4_quizz1c.png" width="80%" height="50%" title="Week 4 Quiz" >
     </p>
 
+    <p align="center">
+        <img src="./img/w4_quizz1d.png" width="80%" height="50%" title="Week 4 Quiz" >
+    </p>
+
+
 ## Contributors:
 
 - 🐮 [@honghanhh](https://github.com/honghanhh)
diff --git a/Course 4: Sequences, Time Series and Prediction/img/w4_quizz1a.png b/Course 4: Sequences, Time Series and Prediction/img/w4_quizz1a.png
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