At least 22. A pinsetter has two sets of pins in it - ten for the bowler to play against, and ten to be put in the rack for the next frame. They throw in a few extra so the machine can work faster, and to (hopefully) make the pins last longer.
Ten.
10 pins are used in each frame. Total of number possible to be seen: 120
A bowling ball is a ball that is used in the game of bowling, where you roll the ball down an aisle and try to knock down as many pins as you can.
Pin Bowling
Bowling in a bowling alley.
In Bowling the term used when knock down all the pins is "Strike".
It depends on where you go. Most Bowling centers will sell you used pins. All you have to is go in and ask how much they are.
it can be 7-10
There are 10 pins in a game of bowling. Its shaped like a pyramid 4 on the bottom, 3 next, then 2, and on top 1. 4+3+2+1=10.
Besides the obvious (as targets in the sport of bowling), wooden bowling pins have been used for such things as making the bases of lamps, as balusters in a balustrade, and by the police et. al. for target shooting practice.
a strike ( if you knock all the bowling pins down with one " throw " of the bowling ball )
The pin boy in bowling used to reset pins before there were automatic pinsetters.