Which of the below is the correct formula to find group index (GI) of – McqOptions

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1.	Which of the below is the correct formula to find group index (GI) of soil?
A.	GI = <em>0.1a+0.0025ac+0.005bd</em>
B.	GI = <em>0.2a+0.005ac+0.01bd</em>
C.	GI = <em>0.01a+0.025ac+0.05bd</em>
D.	GI = <em>0.02a+0.05ac+0.001bd</em>
Answer» C. GI = <em>0.01a+0.025ac+0.05bd</em>

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