The time to reach 50% consolidation is 800 seconds for a soil sample of 10 cm thickness, tested in a lab under condition of double drainage. How many years will the corresponding layer of same soil in...

Extracted text: The time to reach 50% consolidation is 800 seconds for a soil sample of 10 cm thickness, tested in a lab under condition of double drainage. How many years will the corresponding layer of same soil in nature require to reach the same degree of consolidation, if the thickness of the layer is 10 m underlined by the gravel layer. 132.28 days O 138.88 days O 370.37 days O 280.06 days