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

[Q]: Problem: the h . c . f . of two numbers is 30 and the other two factors of their l . c . m . are 25 and 24 . the larger of the two numbers is 
Options: a ) 276 , b ) 799 , c ) 712 , d ) 750 , e ) none
[A]: d


[Q]: Problem: a can contains a mixture of liquids a and b is the ratio 7 : 5 . when 9 litres of mixture are drawn off and the can is filled with b , the ratio of a and b becomes 7 : 9 . how many liter e of liquid a was contained by the can initially ? 
Options: a ) 10 , b ) 20 , c ) 21 , d ) 25 , e ) 27
[A]: c


[Q]: Problem: from a container , 6 liters milk was drawn out and was replaced by water . again 6 liters of mixture was drawn out and was replaced by the water . thus the quantity of milk and water in the container after these two operations is 9 : 16 . the quantity of mixture is : 
Options: a ) 15 , b ) 26 , c ) 22 , d ) 27 , e ) 11
[A]:
a