A. 160
B. 180
C. 145
D. 120
30.25 square feet = 1 Sarsai (Karam)
9 Sarsai (Karam) = 1 Marla
20 Marlas = 1 Kanal
20 Biswas = 1 Bigha
8 Kanals = 1 Killa(Acre)
5 Bighas = 1 Killa(Acre)
2.5 Killas(Acres) = 1 Hectare
25 Killas(Acres) = 1 Murabba
This the current standard system of measurement of farm land.