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 length and breadth of a square are increased by 40 % and 30 % respectively . the area of the rectangle so formed exceeds the area of the square by ?
Options: ['a ) 82 %', 'b ) 78 %', 'c ) 80 %', 'd ) 90 %', 'e ) none of these']
[EX A]: a

[EX Q]: Problem: the number 70 can be written as the sum of the squares of 3 different positive integers . what is the sum of these 3 integers ?
Options: a ) 17 , b ) 16 , c ) 15 , d ) 14 , e ) 13
[EX A]: d

[EX Q]: Problem: what is the measure of the angle e made by the diagonals of the any adjacent sides of a cube .
Options: ['a ) 30', 'b ) 45', 'c ) 60', 'd ) 75', 'e ) 90']
[EX A]:
c