Zero, the ball is smaller than normal Bowling balls and it fits into your hand so you don't need finger holes in order to roll it.
There are three holes in a ten-pin bowling ball.
Duckpin scoring is exactly the same as scoring in tenpin. 2 extra for a strike, 1 extra for a spare.
There Are 3 holes in a ten-pin bowling ball.
There are typically three holes in a bowling ball. One each for the thumb, middle and ring fingers which allow you to grip the ball.
Normally there are 2 but you can have up to 4 finger holes .on a bowling ball fpr approval of the USBC
There are three holes drilled into a typical bowling ball. These are for the thumb, the index finger, and the forefinger. Occasionally there will be added holes, but this is very rare.
The most common number of holes in a bowling ball are 2 finger holes and a thumb hole. Sometimes there is a counter weight hole and sometimes there is a hold for the remaining fingers.
There is usually 3 holes in a Ten Pin Bowling Ball. 1 large hole for your thumb and 2 smaller holes for your middle and ring finger. Some bowlers may have different numbers of holes based on their bowling style.