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: if a rectangular billboard has an area of 104 square feet and a perimeter of 42 feet , what is the length of each of the longer sides ?
Options: a ) 4 , b ) 7 , c ) 8 , d ) 13 , e ) 26

Answer: d

Question: Problem: the diameter of a cylindrical tin is 10 cm and height is 5 cm . find the volume of the cylinder ?
Options: a ) 125 , b ) 155 , c ) 130 , d ) 120 , e ) 100

Answer: a

Question: Problem: 18 business executives and 7 chairmen meet at a conference . if each business executive shakes the hand of every other business executive and every chairman once , and each chairman shakes the hand of each of the business executives but not the other chairmen , how many handshakes would take place ?
Options: a ) 144 , b ) 131 , c ) 279 , d ) 90 , e ) 45

Answer:
c