In this task, you need to answer the given multiple-choice question on the physics. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
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Question: Problem: a 60 cm long wire is to be cut into two pieces so that one piece will be 2 / 5 th of the other , how many centimeters will the shorter piece be ? 
Options: a ) a ) 73 , b ) b ) 20 , c ) c ) 83 , d ) d ) 17.1 , e ) e ) 52

Answer: d


Question: Problem: if 42 men do a work in 25 days , in how many days will 50 men do it ? 
Options: a ) 23 , b ) 22 , c ) 19 , d ) 20 , e ) 21

Answer: e


Question: Problem: the area of a sector of a circle of radius 5 cm formed by an arc of length 4.5 cm is ? 
Options: a ) 8.78 , b ) 11.25 , c ) 8.75 , d ) 8.98 , e ) 8.28

Answer:
b