TASK DEFINITION: In this task, you need to provide the correct option for a given problem from the provided options.
PROBLEM: Problem: the ratio of the arithmetic mean of two numbers to one of the numbers is 4 : 7 . what is the ratio of the smaller number to the larger number ? 
Options: a ) 1 : 8 , b ) 1 : 7 , c ) 1 : 6 , d ) 1 : 5 , e ) 1 : 4

SOLUTION: b

PROBLEM: Problem: find the two digit number , such that the ratio is 7 / 4 of original number to the number formed by reversing the digits . 
Options: a ) 20 , b ) 21 , c ) 22 , d ) 23 , e ) 24

SOLUTION: b

PROBLEM: Problem: in a group of 28 junior high school students , 7 take french , 9 take spanish , and 4 take both languages . the students taking both french and spanish are not counted with the 7 taking french or the 10 taking spanish . how many students are not taking either french or spanish ? 
Options: a ) 7 , b ) 6 , c ) 9 , d ) 4 , e ) 8

SOLUTION:
e