A solution of acid and water is mixed in the ratio \(4:3\).
 
(a) Find the total number of parts in the ratio.
 
(b) Find the quantity of acid if the total quantity of the solution is \(105 \ L\).
 
(c) Find the quantity of water in the solution.
 
 
Ans:
 
(a)
 
(b) \(L\)
 
(c)  \(L\)