TASK DEFINITION: In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
PROBLEM: Problem: a certain cube floating in a bucket of water has between 70 and 85 percent of its volume below the surface of the water . if between 8 and 20 cubic centimeters of the cube ' s volume is above the surface of the water , then the length of a side of the cube is approximately 
Options: a ) 4 , b ) 5 , c ) 7 , d ) 8 , e ) 9

SOLUTION: a

PROBLEM: Problem: if a number is subtracted from its square we get 272 . find the number ? 
Options: ['a ) 7', 'b ) 21', 'c ) 19', 'd ) 15', 'e ) 17']

SOLUTION: e

PROBLEM: Problem: the parameter of a square is equal to the perimeter of a rectangle of length 22 cm and breadth 16 cm . find the circumference of a semicircle whose diameter is equal to the side of the square . ( round off your answer to two decimal places ) 
Options: a ) 77.14 cm , b ) 47.14 cm , c ) 84.92 cm , d ) 29.85 cm , e ) 23.57 cm

SOLUTION:
d