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: 63 men working 8 hours per day dig 30 m deep . how many extra men should be put to dig to a depth of 50 m working 6 hours per day ?
Options: a ) a ) 87 , b ) b ) 77 , c ) c ) 66 , d ) d ) 55 , e ) e ) 97
answer:
b

question:
Problem: there are 17 stations between hyderabad and bangalore . how many second class tickets have to be printed , so that a passenger can travel from any station to any other station ?
Options: a ) 156 , b ) 167 , c ) 157 , d ) 342 , e ) 380
answer:
d

question:
Problem: there is food for 760 men for 22 days . how many more men should join after two days so that the same food may last for 8 days more ?
Options: a ) 1122 , b ) 1140 , c ) 1199 , d ) 1188 , e ) 1166
answer:
b