In a sludge digestion tank if the moisture content of sludge V1 litres is reduced from p1 % to p2 % the volume V2 is____________________?
(A) [(100 + P1)/(100 – P2)] V1
(B) [(100 – P1)/(100 + P2)] V1
(C) [(100 – P1)/(100 – P2)] V1
(D) [(100 + P2)/(100 – P1)] V1

