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: the diagonals of a rhombus are 10 cm and 12 cm . find its area ? 
Options: a ) 158 , b ) 60 , c ) 150 , d ) 123 , e ) 117

A: b
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Q: Problem: if radius of a circle is reduced by 10 % , then how much % of its area will be reduced ? 
Options: ['a ) 10 %', 'b ) 19 %', 'c ) 20 %', 'd ) 36 %', 'e ) 30 %']

A: b
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Q: Problem: the dimensions of a room are 25 feet * 15 feet * 12 feet . what is the cost of white washing the four walls of the room at rs . 3 per square feet if there is one door of dimensions 6 feet * 3 feet and three windows of dimensions 4 feet * 3 feet each ? 
Options: a ) s . 4528 , b ) s . 4520 , c ) s . 4527 , d ) s . 4530 , e ) s . 2718

A:
e
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