I want the solution in less than 15 minutes
Extracted text: Calculate the permeability coefficient(mm/sec) for silty sample of area 7000 cm2, length 150mm. the head drop from 190 mm to 110 mm in 7 min and the * tube area is 300 cm2 0.00384 O 0.00360 O 0.00363 O 0.00333 O