From c4533e0babb282fa8d2197a01c1882f74c75e459 Mon Sep 17 00:00:00 2001
From: Azhar Khan <admin@azhark.com>
Date: Mon, 15 Feb 2021 01:26:36 +0530
Subject: [PATCH] Update kotlin-quiz.md (#1143)

Q16 answer added with ref.

Co-authored-by: Evgenii <evg.bazhanov@yahoo.com>
---
 kotlin/kotlin-quiz.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kotlin/kotlin-quiz.md b/kotlin/kotlin-quiz.md
index 7c79bc5ddf..56af1ae107 100644
--- a/kotlin/kotlin-quiz.md
+++ b/kotlin/kotlin-quiz.md
@@ -186,6 +186,7 @@ println(set.count())
 
 - [ ] 3
 - [x] 4
+[reference](https://zetcode.com/kotlin/sets/)
 - [ ] 1
 - [ ] 5