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'.
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Question: Problem: in what time will a railway train 60 m long moving at the rate of 36 kmph pass a telegraph post on its way ? 
Options: a ) 2 , b ) 7 , c ) 8 , d ) 6 , e ) 9

Answer: d


Question: Problem: to fill a tank , 20 buckets of water is required . how many buckets of water will be required to fill the same tank if the capacity of the bucket is reduced to one - fifth of its present ? 
Options: a ) 100 , b ) 200 , c ) 300 , d ) 400 , e ) 500

Answer: a


Question: Problem: a cistern 12 m long and 14 m wide contains water up to a depth of 1 m 25 cm . the total area of the wet surface is : 
Options: a ) 224 m 2 , b ) 250 m 2 , c ) 220 m 2 , d ) 230 m 2 , e ) 233 m 2

Answer:
e