A shop owner sold a sofa set for Rs. 10,000, losing Rs. 2500. Find his loss percentage.

By selling a sofa-set for Rs 2,500, the shopkeeper loses 20%. Find his loss percent or profit percent, if he sells the same sofa-set for Rs 3,150.

By seling a computer at Rs. 16920, a dealer suffers a loss of Rs. 1080. Find his loss percentage.

By selling a steel almirah for Rs. 3906, a manufacturer suffers a loss of Rs. 294. Find his loss percentage.

A dealer buys a motor cycle for Rs. 35500 and sells it for Rs. 33370. Find his loss and loss percentage.

Jack bought a bicycle for Rs. 1200 ad sold it for Rs. 104. Find his loss and loss percentage.