In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
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Question: Problem: the perimeter of an equilateral triangle is 60 . if one of the sides of the equilateral triangle is the side of an isosceles triangle of perimeter 50 , then how long is the base of isosceles triangle ? 
Options: a ) 5 , b ) 10 , c ) 15 , d ) 20 , e ) 25

Answer: b


Question: Problem: how many boxes do you need if you have to pack 240 pairs ornamental bangles into boxes that each hold 2 dozens of bangles ? 
Options: a ) 40 , b ) 35 , c ) 20 , d ) 25 , e ) 30

Answer: c


Question: Problem: what is the area of square field whose side of length 15 m ? 
Options: ['a ) 225 sq m', 'b ) 186 sq m', 'c ) 586 sq m', 'd ) 287 sq m', 'e ) 296 sq m']

Answer:
a