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

[Q]: Problem: if the ratio of two number is 5 : 7 and lcm of the number is 320 then what is the number . 
Options: a ) 15 , b ) 9 , c ) 10 , d ) 11 , e ) 35
[A]: b


[Q]: Problem: in a class , 30 students pass in english and 20 students in math , while some students among these pass in both . how many more students do only english as compared to those doing only maths ? 
Options: a ) 10 , b ) 15 , c ) 20 , d ) 25 , e ) indeterminate
[A]: a


[Q]: Problem: if log 0.317 = 0.3332 and log 0.318 = 0.3364 , then find log 0.319 
Options: a ) 0.3396 , b ) 0.3496 , c ) 0.3596 , d ) 0.3696 , e ) 0.3796
[A]:
a