Update free-courses-hi.md (#8644)

Author: Rohanfizz

Diff for: courses/free-courses-hi.md

@@ -146,6 +146,7 @@
 
 * [Competitive Programming/DSA Course \| Hindi](https://www.youtube.com/playlist?list=PLauivoElc3ggagradg8MfOZreCMmXMmJ-) - Luv
 * [Full course in Competitive programming [ Hindi ] \|\| -by prince](https://www.youtube.com/playlist?list=PLzjZaW71kMwTGbP1suqY16w1VSb9ZNuvE) - Hello World
+* [Range Queries - Level 3](https://youtube.com/playlist?list=PL-Jc9J83PIiGkI_pL8l67OVvbpnwf-5yO) - Pepcoding
 * [Text Processing - Level 3](https://youtube.com/playlist?list=PL-Jc9J83PIiEoZSwjEZT3TvpKG16FntFL) - Pepcoding