instruction:
In this task, you need to provide the correct option for a given problem from the provided options.
question:
Problem: a technology company made a $ 5 million profit on its first $ 15 million in sales and a $ 12 million profit on its next $ 30 million in sales . by what percent did the ratio of profit to sales increase from the first $ 15 million in sales to the next $ 30 million in sales ?
Options: a ) 10 % , b ) 20 % , c ) 30 % , d ) 40 % , e ) 50 %
answer:
b

question:
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
answer:
a

question:
Problem: 70 students are required to paint a picture . 52 use green color and some children use red , 38 students use both the colors . how many students use red color ?
Options: a ) 53 , b ) 54 , c ) 55 , d ) 56 , e ) 57
answer:
d