TASK DEFINITION: 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'.
PROBLEM: Problem: a can do a piece of work in 12 days . he worked for 15 days and then b completed the remaining work in 10 days . both of them together will finish it in .
Options: a ) 12 1 / 2 days , b ) 10 1 / 2 days , c ) 12 1 / 3 days , d ) 10 1 / 3 days , e ) 11 1 / 2 days

SOLUTION: a

PROBLEM: Problem: edward earns $ 7.00 per hour for the first 40 hours he works per week , and twice this rate for overtime . if michael earned $ 210 last week , how many hours did he work ?
Options: a ) 43 , b ) 44 , c ) 45 , d ) 46 , e ) 47

SOLUTION: c

PROBLEM: Problem: a is thrice as good a workman as b and takes 10 days less to do a piece of work than b takes . b alone can do the whole work in
Options: a ) 15 days , b ) 10 days , c ) 9 days , d ) 8 days , e ) 7 days

SOLUTION:
a