Kalu a gardner,pulls water from a well of diameter 7m to irrigate his garden.He poures water plant to plant using a bucket. If he pulls up 200 buckets of total water,then water level falls down 10cm in the well.Find the capacity of the bucket in litre.

 

(a)10 L

(b)15 L

(c)18.5 L

(d)19.25 L