Average Practice Test 5

Monthly income of X and Y = Rs (6,060 × 2) = Rs 12,120
Monthly income of Y and Z = Rs (7,250 × 2) = Rs 14,500
Monthly income of X and Z = Rs (6,200 × 2) = Rs 12,400
2(X + Y + Z) = 39,020
X + Y + Z = 19,510
X + (14,500) = 19,510
X = Rs 5,010