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

Answer: b

Question: Problem: in a class , 9 students like to play basketball and 8 like to play cricket . 6 students like to play on both basketball and cricket . how many students like to play basketball or cricket or both ?
Options: a ) 12 , b ) 11 , c ) 16 , d ) 18 , e ) 22

Answer: b

Question: Problem: income and expenditure of a person are in the ratio 5 : 4 . if the income of the person is rs . 19000 , then find his savings ?
Options: a ) 3800 , b ) 3607 , c ) 3608 , d ) 3602 , e ) 3603

Answer:
a