Which mutual fund gives 40% return?

I'm curious, could you elaborate on your question regarding mutual funds? It's important to note that while some mutual funds may perform well and offer attractive returns, it's highly unusual for any fund to consistently guarantee a 40% return. Investments in mutual funds are subject to market risks and fluctuations, and past performance is not indicative of future results. Could you perhaps be asking about a specific type of fund or investment strategy that aims for high returns? If so, it's crucial to thoroughly research and understand the risks involved before making any investment decisions.