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'.

[EX Q]: Problem: a man ' s regular pay is $ 3 per hour up to 40 hours . overtime is twice the payment for regular time . if he was paid $ 186 , how many hours overtime did he work ? 
Options: a ) 8 , b ) 5 , c ) 9 , d ) 6 , e ) 11
[EX A]: e

[EX Q]: Problem: a trader sells 92 meters of cloth for rs . 9890 at the profit of rs . 24 per metre of cloth . what is the cost price of one metre of cloth ? 
Options: a ) 22 , b ) 89.5 , c ) 76.9 , d ) 83.5 , e ) 11
[EX A]: d

[EX Q]: Problem: two numbers have a h . c . f of 11 and a product of two numbers is 1991 . find the l . c . m of the two numbers ? 
Options: a ) 140 , b ) 181 , c ) 160 , d ) 170 , e ) 180
[EX A]:
b