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

[Q]: Problem: if log 1087.5 = 1.9421 , then the number of digits in ( 875 ) 10 is ? 
Options: a ) 30 , b ) 28 , c ) 27 , d ) 26 , e ) 25
[A]: a


[Q]: Problem: how many zeros does 1000 ! end with ? 
Options: a ) 20 o , b ) 24 o , c ) 249 , d ) 30 o , e ) 325
[A]: c


[Q]: Problem: pencils , pens and exercise books in a shop are in the ratio of 10 : 2 : 3 . if there are 120 pencils , the number of exercise books in the shop is : 
Options: a ) 26 , b ) 36 , c ) 46 , d ) 56 , e ) 66
[A]:
b