The cost price of a Rs. 100 stock at 4 discount, when brokerage is | 1 | % | is: |
4 |
C.P. = Rs. | ❨ | 100 - 4 + | 1 | ❩ | = Rs. 96.25 |
4 |
9 | 3 | % stock at 117 |
4 |
9 | 3 | % stock at 117 |
4 |
Income in 1st case = Rs. | ❨ | 11 | x 143 x 117 | ❩ | = Rs. 1287. |
143 |
Income in 2nd case = Rs. | ❨ | 39 | x 143 x 117 | ❩ | = Rs. 1394.25 |
4 x 117 |
Clearly, 9 | 3 | % stock at 117 is better. |
4 |
To earn Rs. | 50 | , investment = Rs. 64. |
3 |
To earn Rs. 1500, investment = Rs. | ❨ | 64 x | 3 | x 1500 | ❩ | = Rs. 5760. |
50 |
Then, investment in 15% stock = Rs. (12000 - x).
∴ | 12 | x x + | 15 | x (12000 - x) = 1360. |
120 | 125 |
⟹ | x | + | 3 | (12000 - x) = 1360. |
10 | 25 |
⟹ 5x + 72000 - 6x = 1360 x 50
⟹ x = 4000.
For an income of Rs. 6, investment = Rs. | ❨ | 100 | x 6 | ❩ | = Rs. 75. |
8 |
∴ Market value of Rs. 100 stock = Rs. 75.
To earn Rs. 8, investment = Rs. | ❨ | 1620 | x 8 | ❩ | = Rs. 96. |
135 |
∴ Market value of Rs. 100 stock = Rs. 96.
To earn Rs. 12, money invested = Rs. | ❨ | 100 | x 12 | ❩ | = Rs. 120. |
10 |
∴ Market value of Rs. 100 stock = Rs. 120.
For an income of Rs. | 21 | , investment = Rs. | ❨ | 9000 | x | 21 | ❩ | = Rs. 125. |
2 | 756 | 2 |
∴ For a Rs. 100 stock, investment = Rs. 125.
Market value of Rs. 100 stock = Rs. | ❨ | 125 - | 1 | ❩ | = Rs. 124.75 |
4 |
To obtain Rs. 650, investment = Rs. | ❨ | 96 | x 650 | ❩ | = Rs. 6240. |
10 |
12 | 1 | % |
2 |
13 | 1 | % |
2 |
16 | 2 | % |
3 |
Face value = Rs. (50 x 20) = Rs. 1000.
Dividend = Rs. | ❨ | 27 | x | 1000 | ❩ | = Rs. 135. |
2 | 100 |
Interest obtained = | ❨ | 135 | x 100 | ❩% | = 15% |
900 |
Dividend on Rs. 20 = Rs. | ❨ | 9 | x 20 | ❩ | = Rs. | 9 | . |
100 | 5 |
Rs. 12 is an income on Rs. 100.
∴ Rs. | 9 | is an income on Rs. | ❨ | 100 | x | 9 | ❩ | = Rs. 15. |
5 | 12 | 5 |
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