A stratified soil deposit has three layers of thicknesses z1 = 4, z2 = 1, z3 = 2 units and corresponding permeabilities k1 = 2, k2 = 1, k3 = 4 units, respectively. The average permeability perpendicular to the bedding planes will be:

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?

Who led the Non-Cooperation Movement in India?