In this task, you need to provide the correct option for a given problem from the provided options.

Q: Problem: 99 ! how many zero ' s ? 
Options: a ) 20 , b ) 21 , c ) 22 , d ) 23 , e ) 24

A: c
****
Q: Problem: what is the square root of 121 ? 
Options: a ) 11 , b ) 12 , c ) 16 , d ) 18 , e ) 25

A: a
****
Q: Problem: the ratio of the number of females to males at a party was 1 : 2 but when 4 females and 4 males left , the ratio became 1 : 3 . how many people were at the party originally ? 
Options: a ) 20 , b ) 22 , c ) 24 , d ) 26 , e ) 28

A:
c
****