The CP of each bike = Rs 42,000 The SP of bike sold at 10% profit = 42,000 + 4,200 = Rs 46,200 The SP of bike sold at 10% loss = 42,000 - 4,200 = Rs 37,800 CP of both bikes = 2 × 42,000 = Rs 84,000 SP of both bikes = Rs 84,000 So, Rajat has incurred neither profit nor loss.