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'.

[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
[A]: d


[Q]: Problem: five bells commence tolling together and toll at intervals of 2 , 4 , 6 , 8 10 seconds respectively . in 20 minutes , how many times do they toll together ? 
Options: a ) 11 , b ) 10 , c ) 15 , d ) 16 , e ) 17
[A]: a


[Q]: Problem: a man rows his boat 65 km downstream and 45 km upstream , taking 2 1 / 2 hours each time . find the speed of the stream ? 
Options: a ) 5 kmph , b ) 4 kmph , c ) 9 kmph , d ) 8 kmph , e ) 1 kmph
[A]:
b