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

Q: Problem: some people are standing square . from them 32 are removed and then form a small square and then 8 more removed . now we can not form the square . so how many people are there at the beginning ? 
Options: a ) 31 , b ) 32 , c ) 33 , d ) 34 , e ) ca n ' t be determined

A: e
****
Q: Problem: find the perimeter of a triangle with sides measuring 7 centimeters , 10 centimeters and 15 centimeters . 
Options: ['a ) 10 cm', 'b ) 15 cm', 'c ) 32 cm', 'd ) 35 cm', 'e ) 20 cm']

A: c
****
Q: Problem: one side of a rectangular field is 15 m and one of its diagonal is 18 m . find the area of the field . 
Options: a ) 100 , b ) 120 , c ) 150 , d ) 148.5 , e ) none

A:
d
****