When the soil is in loosest form, density index is zero and its relative compaction Rc is ______
(a) 40%
(b) 60%
(c) 80%
(d) 100%
The question was asked by my college professor while I was bunking the class.
Enquiry is from Density Index and Relative Compaction topic in chapter Preliminary Definitions and Relationships of Geotechnical Engineering I