instruction:
In this task, you need to provide the correct option for a given problem from the provided options.
question:
Problem: how many trailing zeroes does 53 ! + 54 ! have ? 
Options: a ) 12 , b ) 13 , c ) 14 , d ) 15 , e ) 16
answer:
b


question:
Problem: the compound ratio of 1 : 3 , 3 : 2 and 4 : 5 ? 
Options: a ) 1 : 9 , b ) 1 : 7 , c ) 1 : 2 , d ) 2 : 5 , e ) 1 : 4
answer:
d


question:
Problem: two assembly line inspectors , lauren and steven , inspect widgets as they come off the assembly line . if lauren inspects every fifth widget , starting with the fifth , and steven inspects every third , starting with the third , how many of the 95 widgets produced in the first hour of operation are not inspected by either inspector ? 
Options: a ) 50 , b ) 43 , c ) 45 , d ) 55 , e ) 60
answer:

a