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**Excercise 1**

1. A 12% stock yielding 10% is quoted at:

- Rs. 83.33
- Rs. 110
- Rs. 112
- Rs. 120

The Correct answer is :Rs. 120

To earn Rs. 10, money invested = Rs. 100.

To earn Rs. 12, money invested = Rs ${\frac{100}{10}\times12}$ = Rs 120

${\therefore}$ Market value of Rs.100 stock = Rs.120

2. A man invested Rs. 1552 in a stock at 97 to obtain an income of Rs. 128. The dividend from the stock is:

- 7.50%
- 8.00%
- 9.70%
- None of these

The Correct answer is :8.00%

By investing Rs. 1552, income = Rs. 128

By investing Rs. 97, income Rs. ${\frac{128}{1552}\times97}$ =Rs 8

${\therefore}$ Dividend = 8%

3. By investing Rs. 1620 in 8% stock, Michael earns Rs. 135. The stock is then quoted at:

- Rs. 80
- Rs. 96
- Rs. 106
- Rs. 108

The Correct answer is :Rs. 96

To earn Rs. 135, investment = Rs. 1620

To earn Rs. 8, investment = Rs. ${ \frac{1620}{135}\times8}$ =Rs 96

${\therefore}$ Market value of Rs.100 stock = Rs.96

4. A man invests some money partly in 9% stock at 96 and partly in 12% stock at 120. To obtain equal dividends from both, he must invest the money in the ratio:

- 3:4
- 3:5
- 4:5
- 16:15

The Correct answer is :16:15

For an income of Re. 1 in 9% stock at 96, investment = Rs.${\frac{96}{9}}$ =${\frac{32}{3}}$

For an income Re. 1 in 12% stock at 120, investment = Rs.${ \frac{120}{12}}$ =10

Ratio of investments =${\frac{32}{3}}$ :10

=32 :30 =16:15

5. A man invested Rs. 4455 in Rs. 10 shares quoted at Rs. 8.25. If the rate of dividend be 12%, his annual income is:

- Rs. 207.40
- Rs. 534.60
- Rs. 648
- Rs. 655.60

The Correct answer is :Rs. 648

Number of shares = ${\frac{4455}{8.25}}$ = 540

Face value = Rs. (540x10) = 5400

Annual income = Rs.${\frac{12}{100}\times}$5400 = Rs 648

6. A 6% stock yields 8%. The market value of the stock is:

- Rs. 48
- Rs. 75
- Rs. 96
- Rs. 133.33

The Correct answer is :Rs. 75

For an income of Rs. 8, investment = Rs. 100.

For an income of Rs. 6, investment =Rs ${\frac{100}{8}\times6}$ =Rs 75

7. In order to obtain an income of Rs. 650 from 10% stock at Rs. 96, one must make an investment of:

- Rs. 3100
- Rs. 6240
- Rs. 6500
- Rs. 9600

The Correct answer is :Rs. 6240

To obtain Rs. 10, investment = Rs. 96.

To obtain Rs. 650, investment = Rs ${\frac{96}{10}\times650}$= Rs 6240

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