In this task, you need to provide the correct option for a given problem from the provided options.
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Question: Problem: the compound ratio of 5 : 6 , 3 : 2 and 4 : 5 is ? 
Options: a ) 3 : 5 , b ) 2 : 7 , c ) 1 : 1 , d ) 1 : 4 , e ) none

Answer: c


Question: Problem: sandy is younger than molly by 6 years . if their ages are in the respective ratio of 7 : 9 , how old is molly ? 
Options: a ) 21 , b ) 24 , c ) 27 , d ) 36 , e ) 45

Answer: c


Question: Problem: the l . c . m of two numbers is 48 . the numbers are in the ratio 1 : 2 . the sum of numbers is : 
Options: a ) 28 , b ) 30 , c ) 40 , d ) 50 , e ) 72

Answer:
e