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 can do a work in 4 days . b can do the same work in 6 days . both a & b together will finish the work and they got $ 1000 from that work . find their shares ? 
Options: a ) 600,400 , b ) 500,500 , c ) 300,700 , d ) 800,200 , e ) 550,450
[A]: a


[Q]: Problem: a person p takes 4 hrs time to complete a job and q takes 6 hrs to complete the same job if they work together how much time will they require to complete the job ? 
Options: a ) 1.2 hrs , b ) 1.8 hrs , c ) 2.4 hrs , d ) 3.0 hrs , e ) none of these
[A]: c


[Q]: Problem: a and b together can plough a field in 10 hours but by himself a requires 15 hours . how long would b take to plough the same field ? 
Options: a ) 10 hours , b ) 20 hours , c ) 30 hours , d ) 40 hours , e ) 50 hours
[A]:
c