In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

[EX Q]: Problem: if p / q = 2 / 7 , then 2 p + q = ?
Options: a ) 11 , b ) 14 , c ) 13 , d ) 15 , e ) 16
[EX A]: a

[EX Q]: Problem: a room is 6 meters 24 centimeters in length and 4 meters 32 centimeters in width . find the least number of square tiles of equal size required to cover the entire floor of the room .
Options: a ) 107 , b ) 117 , c ) 127 , d ) 137 , e ) 147
[EX A]: b

[EX Q]: Problem: a and b are two partially filled buckets of water . if 5 liters are transferred from a to b , then a would contain one - third of the amount of water in b . alternatively , if 3 liters are transferred from b to a , b would contain one - half of the amount of water in a . bucket a contains how many liters of water ?
Options: a ) 11 , b ) 13 , c ) 17 , d ) 49 / 5 , e ) 23
[EX A]:
d