instruction:
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: the total surface area of a solid hemisphere of diameter 14 cm , is :
Options: ['a ) 462 cm ', 'b ) 530 cm ', 'c ) 1345 cm ', 'd ) 1788 cm ', 'e ) none']
answer:
a

question:
Problem: find the sum of divisors of 544 which are perfect squares .
Options: a ) 32 , b ) 64 , c ) 42 , d ) 21 , e ) none of these
answer:
d

question:
Problem: how many odd numbers between 10 and 2000 are the squares of integers ?
Options: a ) 12 , b ) 14 , c ) 16 , d ) 18 , e ) 20
answer:
e