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 ratio of the adjacent angles of a parallelogram is 4 : 11 . also , the ratio of the angles of quadrilateral is 5 : 6 : 7 : 12 . what is the sum of the smaller angle of the parallelogram and the second largest angle of the quadrilateral ? 
Options: a ) 132 ° , b ) 228 ° , c ) 156 ° , d ) 224 ° , e ) none of these

Answer: a


Question: Problem: the ratio between speed of the two trains is 7 : 8 . if the 2 nd train runs 400 km in 4 hrs , what is the speed of the 1 st train ? 
Options: a ) 87.9 , b ) 87.5 , c ) 87.7 , d ) 87.6 , e ) 43.3

Answer: b


Question: Problem: the ratio of three numbers is 6 : 7 : 5 and their sum is 108 . the second number of the three numbers is ? 
Options: a ) 12 , b ) 42 , c ) 30 , d ) 36 , e ) none of these

Answer:
b