Question:Find the cash realised by selling Rs. 2400, 9.5% stock at 4 discount` (brokerage 1/4%)`
By selling Rs. 100 stock, cash realised `= Rs. [(100 - 4) - 1/4]` `= Rs. 383/4` By selling Rs. 2400 stock, cash realised ` = Rs.(383/4 xx 1/100 xx 2400)` =Rs. 2298.
Question:Find the annual income derived from Rs. 2500, 8% stock at 106.
Income from Rs.100 stock = Rs. 8 Income from Rs. 2500 stock ` = Rs. (8/100 xx 2500)` `= Rs.200.`
Question:Find the annual income by investing Rs. 6800 in 10% stock at 136.
By investing Rs.136, income obtained = Rs. 10 By investing Rs. 6800, income obtained` = Rs. (10/136 xx 6800)` `= Rs. 500`
Question:Which is better investment ? `7 1/2%` stock at 105 or `6 1/2%` stock at 94.
Let the investing in each case be Rs.`(105 xx 94).` Case I : `7 1/2%` stock at 105 : On investing Rs. 105, income` = Rs. 15/2` On investing Rs. `(105 xx 94),` income `= Rs. (15/2 xx 1/105 xx 105 xx 94)` `= Rs. 705.` Case II :` 6 1/2%` stock at 94 : On investing Rs. 94, income` = Rs. 13/2` On investing Rs.`( 105 xx 94)`, income `= Rs. (13/2 xx 1/94 xx 105 xx 94)` `= Rs. (1365)/2` `= Rs. 682.50.` Clearly, the income from` 7 1/2%` stock at 105 is more. Hence, the investment in` 7 1/2%` stock at 105 is better.
Question:Find the cost of 96 shares of Rs. 10 each at` 3/4` discount, brokerage being` 1/4` per share.
Cost of 1 share ` = Rs. [(10 - 3/4) + 1/4]` `= Rs. 19/2.` Cost of 96 shares `= Rs. (19/2 xx 96)` `= Rs. 912.`