One candle in 50cm high and can burn for 3 hours Another one is 70cm high and can burn for 6 hours How long does it take for this two candles to reach the same height Brain Out Hi Friends of Brain Out Puzzle. In this post you will find the answer for the question One candle in 50cm high and can burn for 3 hours Another one is 70cm high and can burn for 6 hours How long does