instruction:
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'.
question:
Problem: 10 men and 15 women together can complete a work in 8 days . it takes 100 days for one man alone to complete the same work . how many days will be required for one woman alone to complete the same work ? 
Options: a ) 127 days , b ) 667 days , c ) 177 days , d ) 187 days , e ) 600 days
answer:
e


question:
Problem: what is the angle between the minute hand and the hour hand when the time is 1540 hours ? 
Options: a ) 150 , b ) 160 , c ) 140 , d ) 130 , e ) none
answer:
d


question:
Problem: a man swims downstream 40 km and upstream 56 km taking 8 hours each time , what is the speed of the man in still water ? 
Options: a ) 6 , b ) 24 , c ) 8 , d ) 12 , e ) 44
answer:

a