(d) Let his total sales are of x and he earns ₹ 6,000 as commission for ₹ 1,00,000. and, Remaining amount = x – 100000 Commission on this amount =
5
100
(x−100000) ∴ Total Commission = 6000 + .05 (x –100000) = 0.05x + 1000 ∴ x – .05x – 1000 = 265000 Solving, x = 280000