The laboratory tests on a sample yielded the following results :
Plasticity index : 32 %
Liquidity index : - 0.15,
Activity number: 1.58.
Which of the following inferences can be drawn ?
1. The soil is very stiff.
2. The soil is medium soft.
3. The soil is highly plastic.
4. The soil is medium plastic.
5. The soil is active.
Select the correct answer using the codes given below :