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: how many 4 x 5 x 8 cubes could fit in a 10 x 16 x 84 box ? 
Options: a ) 84 , b ) 90 , c ) 85 , d ) 77 , e ) 64

Answer: a


Question: Problem: the area of a circular field is 13.86 hectares . find the cost of fencing it at the rate of rs . 4.40 per metre . 
Options: a ) 2399 , b ) 3888 , c ) 2999 , d ) 5808 , e ) 2888

Answer: d


Question: Problem: how many diagonals does a polygon with 13 sides have , if one of its vertices does not connect to any diagonal ? 
Options: a ) 65 , b ) 62 , c ) 58 , d ) 54 , e ) 60

Answer:
d