1 alone is correct
2 alone is correct
both 1 and 2 are correct
neither 1 nor 2 is correct
0.4 kg/cm2
0.7 kg/cm2
1.0 kg/cm2
1.2 kg/cm2
providing buttresses at certain intervals
providing a deeper foundation
using a richer mortar
using stronger bricks
2 and 3 are correct
1 and 2 are correct
1 and 3 are correct
1, 2 and 3 are correct
LLLZ.HLHI.MLMJ
L2,L,,M2>Mi,H2)H,
M,,M2, H,,H2,Li,L2
L2,L,,M,,M2,H,,H2