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 tank is 25 m long 12 m wide and 6 m deep . the cost of plastering its walls and bottom at 75 paise per sq m is 
Options: a ) rs . 258 , b ) rs . 358 , c ) rs . 458 , d ) rs . 558 , e ) none of these

A: d
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Q: Problem: a train 140 m long running at 84 kmph crosses a platform in 16 sec . what is the length of the platform ? 
Options: a ) 287 , b ) 298 , c ) 233 , d ) 726 , e ) 267

A: c
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Q: Problem: a can run 4 times as fast as b and gives b a start of 66 m . how long should the race course be so that a and b might reach in the same time ? 
Options: a ) 88 m , b ) 60 m , c ) 80 m , d ) 65 m , e ) 75 m

A:
a
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