21 MOST 12 LEAST.
for 10 pin, 12
The Titleist Pro balls have very little roll but won't do so well in the rough.
he thought the German and dutch whalers had the least amount of skill / and no balls
There is no specific amount of Ultra Balls you need to catch Zapdos. It will be a different amount of time every time you battle Zapdos. I would recommend that you have at least 50 to be safe (sometimes even that isn't enough).
The bowling ball. It has both more mass, inertia, and the least amount of wind resistence.