Differential levelling is carried out from point P (BM: +200.000 m) to point R. The readings taken are given in the table.

Reduced Level (in meters) of the point R is ____ (rounded off to 3 decimal places).

The contact pressure distribution shown in the figure belongs to a

Which one of the following saturated fine-grained soils can attain a negative Skempton’s pore pressure coefficient (A)?

A reinforced concrete pile of 10 m length and 0.7 m diameter is embedded in a saturated pure clay with unit cohesion of 50 kPa. If the adhesion factor is 0.5, the net ultimate uplift pullout capacity (in kN) of the pile is ____________ (rounded off to the nearest integer).