Answer:
I'm a starchy plant tuber that is one of the most important food crops, cooked and eaten fried, such as french fries.
I am a king but also a common device of measure. What am I?
If there are three cups of sugar and you take one away, how many do you have?
What time starts and stops with an βnβ?
An artΒ-form and its colour-ful result.
When is it bad luck to see a black cat?