Answer: Rs. 96.25

Explanation:
C.P. = Rs. 100 - 4 + (1/4)   = Rs. 96.25

Answer: 16 : 15

Explanation:
For an income of Re. 1 in 9% stock at 96, investment = Rs. 96/9   = Rs. 32/3

For an income Re. 1 in 12% stock at 120, investment = Rs. 120/12   = Rs. 10.

Ratio of investments = 32/3 : 10 = 32 : 30 = 16 : 15.

Answer: Rs. 5000

Explanation:

Answer: 60

Explanation:
Let the investment be Rs.100 for an income of Rs.10
Therefore, for an income of Rs.6, the investment = 600/10 = Rs.60

Answer: 25

Explanation:
Dividend on 1 share = (12.5 * 50)/100 = Rs.6.25
Rs.25 is income on an investment of Rs.100
Rs.6.25 is income on an investment of Rs. (6.25 * 100)/25 = Rs.25

Answer: 4% 

Explanation:
The total returns amount to {(3.5 x 1980) / 99} + {(4.5 x 3220) / 105}
=> = Rs. 208. This amount is returns on a total investment of 1980 + 3220 = Rs. 5200. Therefore, the average rate of return is (208/5200) = 0.04 = 4%

Answer: 9.8%

Explanation:
Suppose, Jaydeep invests Rs. 100 in 6% stock at 75, Rs. 200 in 7%
=> Stock at 80 and Rs. 300 in 10% stock at 90. The yield from these three investments is, respectively, Rs. 8, Rs. 17.5 and Rs. 33.33
Jaydeep’s total investment of Rs. 600 earns him a total of Rs. 58.83. therefore the average yield on his investment is 9.8%.

Answer: 2700

Explanation:
 if a person holds one unit of stock, he will get Rs. 3.75 every 3 months
=> The annual income from unit will be Rs. 15.
=> The annual income from 180 units will be 180 x 15 = 2700

Answer: Rs. 833

Explanation:
Arvind’s income on selling the shares is (8/9) (300 x 475) = 126667.
=> His initial investment was 300 x 425 = Rs. 127500
=> Arvind’s net loss is Rs. 833.

Answer: 75

Explanation:
Explanation: Since 6% on Rs. 100 amounts to a return of 8%, the stock has been
=> bought at a discount. The market value of the stock is (100 x 6)/8 = 75
The stock has been bought at a discount of 25