The days ratio of (Angel + Bala + Chitra): (Bala + Chitra) = X:3X/2 = 2X:3x; Efficiency ratio = 3X:2X Efficiency of Angel = x. (480/3X) = Rs.160 Amount received by Bala = Rs.120 & Chitra = 200 160:120:200 =4:3:5 1/4:1/3:1/5=15:20:12; (1/15+1/12+1/20)*Y = 1 Y = 5 days