Fix addition answer in README.md

AhmadHmedann · web-flow · commit b1cd7b71899b · 2026-03-22T14:28:14.000Z
diff --git a/number-systems/README.md b/number-systems/README.md
@@ -17,7 +17,7 @@ Which is larger: 00100 or 01011?
 Answer: 01011
 
 What is 10101 + 01010?
-Answer: 100000
+Answer: 11111
 
 What is 10001 + 10001?
 Answer: 100010
