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: a cubical block of metal weighs 5 pounds . how much will another cube of the same metal weigh if its sides are twice as long ? 
Options: ['a ) 48', 'b ) 40', 'c ) 24', 'd ) 18', 'e ) 12']

Answer: b


Question: Problem: in measuring the sides of a rectangle , one side is taken 16 % in excess and other 5 % in deficit . find the error percentage in the area calculated from these measurements . 
Options: a ) 3.5 % , b ) 2.4 % , c ) 10.2 % , d ) 5 % , e ) 2.6 %

Answer: c


Question: Problem: the side of a square is increased by 10 % then how much % does its area increases ? 
Options: a ) 21 , b ) 56.25 , c ) 50.75 , d ) 42.75 , e ) 52.75

Answer:
a