Average Practice Test 4

Here, monthly income of 2(A + B + C) = 2 (5050 + 6250 + 5200)
∴ Monthly income of (A + B + C) = Rs. 16500
Hence, Monthly income of A = Monthly income of (A + B + C) - Monthly income of (B + C)
= 16500 – 2 × 6250 = 16500 – 12500
= Rs. 4000