Quizizz, an online learning platform, today said it has raised USD 3 million (over Rs 20 crore) in funding led by Nexus Venture Partners. The funding, which saw participation from existing promoters Prime Venture Partners and angel investors, will support new products, a statement said. The company has recently hit a milestone by passing the 10-million active user mark, it added. Quizizz combines game-design elements with self-paced questions and instant feedback to help students learn. Teachers can use their own content or choose from millions of educator-created quizzes.