Find the cost of Rs 7200, 8% stock at 90  (ii) Rs 4500, 8.5% stock at 4 premium (iii) Rs 6400, 10% stock at 15 discount

Find the annual income derived from Rs 2500,8% stock at 106.

Find the cash required to purchase Rs 3200:7.5% stock at 107 (brokerage 0.5%)

Find the cash realised by selling Rs 2440:9.5% stock at 4 discount (brokerage 0.25%)

A retired man sells out Rs 7500 of a 10% stock at Rs 105.50 and invests the proceeds in 14% stock at Rs 124.50. What is the change in income is he pays a service charge of 0.5% of the face value on each transaction? (a) Rs 95 (b) Rs 114 (c) Rs 132 (d) None of these