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In this blog you will find around 320 solved Geophysics GATE and CSIR-NET and other competitive exams solutions with a better explanation. Please follow and share if you like it.
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CSIR-NET 2014 JUNE
111. The formation resistivity factors of two sedimentary rocks of porosity 10% and 20% are in the ratio 4:1. If the porosities of these are 12% and 24%, respectively, their formation resistivity …