Orange. Unless the wheels were semi-elliptical. Then periwinkle.
“If you’re going down a river in a wire canoe, and one of your wheels falls off, how many pancakes does it take to cover a doghouse?”
My Grandpa like this one:
‘If a chicken and a half can lay an egg and a half in a day and a half, how long does it take a grasshopper with a wooden leg to kick all the seeds out of a dill pick?’
Now THAT is totally silly!