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

[Q]: Problem: the hcf of two numbers is 42 and the other two factors of their lcm are 11 and 12 . what is the largest number . 
Options: a ) 462 , b ) 450 , c ) 480 , d ) 504 , e ) 555
[A]: d


[Q]: Problem: water consists of hydrogen and oxygen , and the approximate ratio , by mass , of hydrogen to oxygen is 2 : 16 . approximately how many grams of oxygen are there in 162 grams of water ? 
Options: a ) 16 , b ) 72 , c ) 112 , d ) 128 , e ) 144
[A]: e


[Q]: Problem: 24 oz of juice p and 25 oz of juice v are mixed to make smothies m and y . the ratio of p to v in smothie m is 4 is to 1 and that in y is 1 is to 5 . how many ounces of juice p are contained in the smothie m ? 
Options: a ) 5 , b ) 10 , c ) 15 , d ) 20 , e ) 25
[A]:
d