TASK DEFINITION: In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
PROBLEM: Problem: a box measuring 49 inches long by 21 inches wide by 14 inches deep is to be filled entirely with identical cubes . no space is to be left unfilled . what is the smallest number of cubes that can accomplish this objective ? 
Options: a ) 17 , b ) 42 , c ) 54 , d ) 108 , e ) 864

SOLUTION: b

PROBLEM: Problem: the radius of a cylindrical vessel is 7 cm and height is 2 cm . find the whole surface of the cylinder ? 
Options: a ) 281 , b ) 396 , c ) 440 , d ) 767 , e ) 1981

SOLUTION: b

PROBLEM: Problem: what will be the percentage increase in the area of the cube ' s surface if each of the cube ' s edges grows by 30 % ? 
Options: ['a ) 70 %', 'b ) 69 %', 'c ) 80 %', 'd ) 82 %', 'e ) 55 %']

SOLUTION:
b