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

[EX Q]: Problem: the edges of cuboid are 4 cm ; 5 cm and 6 cm . find its surface area ? 
Options: ['a ) 228', 'b ) 148', 'c ) 992', 'd ) 772', 'e ) 222']
[EX A]: b

[EX Q]: Problem: find the area of a rhombus one side of which measures 20 cm and one diagonal is 24 cm . 
Options: a ) 370 cm 2 , b ) 365 cm 2 , c ) 380 cm 2 , d ) 384 cm 2 , e ) 394 cm 2
[EX A]: d

[EX Q]: Problem: a closed cylindrical tank contains 36 pie cubic feet of water and its filled to half its capacity . when the tank is placed upright on its circular base on level ground , the height of water in the tank is 4 feet . when the tank is placed on its side on level ground , what is the height , in feet , of the surface of the water above the ground ? 
Options: ['a ) 0 feet', 'b ) 1 feet', 'c ) 2 feet', 'd ) 3 feet', 'e ) 4 feet']
[EX A]:
d