For batching 1:3:6 concrete mix by volume, the ingredients required per bag of 50 kg cement, are:
(A) 70 litres of sand and 120 litres of aggregates
(B) 70 kg of sand and 140 litres of aggregates
(C) 105 litres of sand and 140 litres of aggregates
(D) 105 litres of sand and 210 litres of aggregates
(A) 70 litres of sand and 120 litres of aggregates
(B) 70 kg of sand and 140 litres of aggregates
(C) 105 litres of sand and 140 litres of aggregates
(D) 105 litres of sand and 210 litres of aggregates