A fan is marked at ₹1,940. It is available for a cash down payment of ₹420 and three equal monthly installments. If the interest charged under the installment scheme is 16% per annum simple interest, what is the amount of each installment?

A sum of ₹21,000 is borrowed at a rate of 10% p.a. compound interest, compounded annually. If it is returned in two equal annual installments, what is the amount of each installment?

A sum of money is paid back in two equal annual installments of ₹22,050 each, allowing 5% interest per annum compounded annually. The sum borrowed was: