diff --git a/Q1/solution.py b/Q1/solution.py
index 4429a19..574f393 100644
--- a/Q1/solution.py
+++ b/Q1/solution.py
@@ -1 +1,24 @@
 ## Add code below with answer clearly stated
+
+def factorial_sum(n):
+
+    if n == 1:
+        return 1
+
+    return n * factorial_sum(n-1)
+
+
+if __name__ == "__main__":
+
+    n = 10
+    res = factorial_sum(n)
+
+    sum_digits = 0
+
+    for i in str(res):
+
+        sum_digits += int(i)
+
+    print(sum_digits)
+
+#648 is the answer of sum of digits of 100!.