According to the Indian Standard recommendations, a water requirement of _______ per head per day is assumed for residential buildings.

According to the Indian Standard recommendations, a water requirement

1.	According to the Indian Standard recommendations, a water requirement of _______ per head per day is assumed for residential buildings.
A.	50 litres
B.	115 litres
C.	135 litres
D.	160 litres
Answer» D. 160 litres