In this task, you need to provide the correct option for a given problem from the provided options.
--------
Question: Problem: two vessels contains equal number of mixtures milk and water in the ratio 7 : 2 and 8 : 1 . both the mixtures are now mixed thoroughly . find the ratio of milk to water in the new mixture so obtained ? 
Options: a ) 1 : 3 , b ) 9 : 13 , c ) 5 : 1 , d ) 11 : 3 , e ) 15 : 4

Answer: c


Question: Problem: teas worth rs . 126 per kg and rs . 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2 . if the mixture is worth rs 157 per kg , the price of the third variety per kg will be ? 
Options: a ) rs . 147.50 , b ) rs . 785.50 , c ) rs . 179.50 , d ) rs . 258.50 , e ) none of these

Answer: c


Question: Problem: sachin is younger than rahul by 7 years . if the ratio of their ages is 6 : 9 , find the age of sachin 
Options: a ) 24.5 , b ) 14 , c ) 24.21 , d ) 27 , e ) 25

Answer:
b