Ratio of the equivalent capitals of A, B and C for 1 month =(16000×6+2000×6):(12000×6):(18000×6) =(96+120):72:108 =216:72:108 =6:2:3 Sum of the terms of ratio =6+2+3=11 If the total annual profit be Rs.x, then According to the question, Difference between the sharesof A and B = Rs. 6000 ⇒