Weight of A + B + C = (94 × 3) kg = 282 kg A + B + C + D = (90 × 4) kg = 360 kg ∴ D = (360 - 282) kg = 78 kg Now, B + C + D + E = (88 × 4) kg = 352 kg Thus, (A + B + C + D) - (B + C + D + E) = (360 - 352) kg = 8 kg ∴ A - E = 8 kg A = (8 + E) kg = (8 + 82) kg (∵ E = D + 3) = 90 kg