11% stock at 143

$9\frac{3}{4}\%stockat117$

Both are equally good

Cannot be compared, as the total amount of investment is not given.

B. $9\frac{3}{4}\%stockat117$

Let investment in each case be Rs. (143 x 117).

Income in 1st case =$Rs.\left(\frac{11}{143}\times 143\times 117\right)=Rs.1287.$

Income in 2nd case = $Rs.\left(\frac{39}{4\times 117}\times 143\times 117\right)=Rs.1394.25$

Clearly, $9\frac{3}{4}$ % stock at 117 is better.

Rs. 12

Rs. 15

Rs. 18

Rs. 21

3 : 4

3 : 5

4 : 5

16 : 15

Rs. 5640

Rs. 5760

Rs. 7500

Rs. 9600

Rs. 4000

Rs. 4500

Rs. 5500

Rs. 6000

Rs. 108.25

Rs. 112.20

Rs. 124.75

Rs. 125.25

Rs. 83.33

Rs. 110

Rs. 112

Rs. 120

Rs. 80

Rs. 96

Rs. 106

Rs. 108

$12\frac{1}{2}\%$

$13\frac{1}{2}\%$

15%

$16\frac{2}{3}\%$

Rs. 48

Rs. 75

Rs. 96

Rs. 133.33

Rs. 3100

Rs. 6240

Rs. 6500

Rs. 9600

Rs. 207.40

Rs. 534.60

Rs. 648.00

Rs. 655.60

11% stock at 143

$9\frac{3}{4}\%stockat117$

Both are equally good

Cannot be compared, as the total amount of investment is not given.

Rs. 4800

Rs. 5000

Rs. 5400

Rs. 5600

7.5%

8%

9.7%

None of these

Rs. 95.75

Rs. 96

Rs. 96.25

Rs. 104.25