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

Ex Input:
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

Ex Output:
a


Ex Input:
Problem: the flowerman sale , all of the prices of the flowers sold were different . if the price of a radio sold at the flowerman sale was both the 17 th highest price and the 42 th lowest price among the prices of the slowers sold , how many flowers were sold at the flowerman sale ? 
Options: a ) 38 , b ) 34 , c ) 58 , d ) 63 , e ) 73

Ex Output:
c


Ex Input:
Problem: there are 624 students in a school . the ratio of boys and girls in this school is 3 : 5 . find the total of girls & boys are there in this school ? 
Options: a ) 320 , b ) 345 , c ) 375 , d ) 390 , e ) 400

Ex Output:

d