In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
--------
Question: Problem: if a number is subtracted from its square we get 272 . find the number ?
Options: ['a ) 7', 'b ) 21', 'c ) 19', 'd ) 15', 'e ) 17']

Answer: e

Question: Problem: the radius of a sphere is increased by 10 % . the surface area increases by ?
Options: ['a ) 21 %', 'b ) 31 %', 'c ) 41 %', 'd ) 51 %', 'e ) none of these']

Answer: a

Question: Problem: the sides of a rectangle are in the ratio 4 : 3 and its area is 972 sq . m find the perimeter of rectangle
Options: ['a ) 120 m', 'b ) 122 m', 'c ) 124 m', 'd ) 126 m', 'e ) 128 m']

Answer:
d