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: 13 buckets of water fill a tank when the capacity of each bucket is 51 litres . how many buckets will be needed to fill the same tank , if the capacity of each bucket is 17 litres ? 
Options: a ) 39 , b ) 28 , c ) 23 , d ) 12 , e ) 24
[A]: a


[Q]: Problem: a car covers a distance of 624 km in 3 1 / 5 hours . find its speed ? 
Options: a ) 104 kmph , b ) 195 kmph , c ) 109 kmph , d ) 174 kmph , e ) 101 kmph
[A]: b


[Q]: Problem: average temperature of first 4 days of a week is 6 ° c and that of the last 4 days is 40.3 ° c . if the average temperature of the week be 39.1 ° c , the temperature on 4 th day is ? 
Options: a ) 36.7 ° c , b ) 38.6 ° c , c ) 39.8 ° c , d ) 41.9 ° c , e ) 51.9 ° c
[A]:
d