Doubtnut, an India-based startup which wants to teach math and science concepts through short videos, raises $15M Series A led by Tencent, says it has 13M MAU (Manish Singh/TechCrunch)

Manish Singh / TechCrunch:
Doubtnut, an India-based startup which wants to teach math and science concepts through short videos, raises $15M Series A led by Tencent, says it has 13M MAU  —  Doubtnut, a Gurgaon-based startup that operates an app to help students learn and master concepts from math and science using short videos …