This is the 4167th most frequent Chinese word.
哪个
"Which" or "which one."
In this sentence, '哪个' is used to ask specifically about one item among options, focusing on the suitability of one choice.
你知道哪个更适合我吗？
Do you know which one suits me better?
Here, '哪个' is utilized to inquire comparative quality between places, emphasizing beauty.
我想去看看哪个地方更美丽。
I want to visit and see which place is more beautiful.
'哪个' is applied in this question to seek a preference regarding a specific attribute, i.e., color.