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 cistern 8 m long and 6 m wide contains water up to a breadth of 1 m 85 cm . find the total area of the wet surface . 
Options: a ) 102 m sqaure , b ) 100 m sqaure , c ) 152 m sqaure , d ) 164 m sqaure , e ) none of these
[A]: b


[Q]: Problem: how long does a train 110 m long running at the speed of 72 km / hr takes to cross a bridge 112 m length ? 
Options: a ) 82.1 sec , b ) 12.1 sec , c ) 16.1 sec , d ) 11.1 sec , e ) 12.15 sec
[A]: d


[Q]: Problem: the first , second and third terms of the proportion are 56 , 16 , 49 . find the fourth term . 
Options: a ) 10 , b ) 14 , c ) 40 , d ) 50 , e ) 60
[A]:
b