股票市场 - 例题详解

题1 - 计算以84元的价格购买16000卢比，6%股票的成本。

答案 - B

解释

Cost of Rs 100 stock=Rs 84. 
Expense of Rs 16000 stock =Rs (84/100*16000) =Rs 13440.

题2 - 计算以4元溢价购买4500卢比，5%股票的成本。

答案 - A

解释

Cost of Rs 100 stock=Rs (100+4) +Rs104. 
Expense of Rs 4500 stock =Rs (104/100*4500) =Rs 4680.

题3 - 计算以12元折价购买5000卢比，8%股票的成本。

答案 - A

解释

Cost of Rs 100 stock =Rs (100-12) =Rs 88. 
Expense of Rs 5000 stock = Rs (88/100*5000) =Rs 4400

题4 - 计算以面值购买16000卢比，6%股票的成本，经纪人佣金为1/4%。

答案 - B

解释

Cost of Rs 100 stock =Rs (100+1/4) =Rs 401/4. 
Expense of Rs 16000 stock =Rs (401/4*1/100*16000) =Rs 16040.

题5 - 计算以4元折扣购买8000卢比，5%股票的发行成本，经纪人佣金为1/4%。

答案 - C

解释

S.P of Rs 100 stock = Rs {(100-4) - 1/4} =Rs (96-1/4) =Rs 95.75. 
S.P. of Rs 8000 stock = Rs (95.75/100*8000) =Rs 7660.

题6 - 计算以5元溢价购买6000卢比，6%股票的发行成本，交易佣金为1/4%。

答案 - A

解释

S.P. of Rs 100 stock =Rs {100+5-1/4} =Rs 104.75. 
S.P. of Rs 6000 stock=Rs (104.75/100*6000) =Rs 6285.

题7 - 计算从以106元购买3500卢比，6%股票中获得的年度收入。

答案 - D

解释

Annual wages from Rs 100 stock =Rs 6. 
Yearly wage from Rs 3500 stock =Rs (6/100*3500) =Rs 2100.

题8 - 计算投资5500卢比到以110元购买的8%股票中获得的年度收入。

答案 - D

解释

By contributing Rs 110, yearly incomes=Rs 8. 
By contributing Rs 5500, yearly incomes= Rs (8/110*5500) =Rs 400.

题9 - 哪种投资更好：以105元购买的15/2%股票或以94元购买的13/2%股票？

A - 以105元购买的15/2%股票

B - 以94元购买的13/2%股票？

答案 - A

解释

Let the investment be Rs (105*94). 
CASE I. Wages from15/2 % stock at 105. 
On contributing Rs 105, income= Rs 15/2. 
On contributing Rs (105*94), incomes=Rs (15/2*1/105*105*94) = Rs 705. 
CASE II. Pay from 13/2 % stock at 94. 
On contributing Rs 94, pay = Rs 13/2. 
On contributing Rs (105*94), pay = Rs (13/2*1/94 *105*94) = Rs682.50 
∴ first investment is better.

题10 - 计算以3/4折扣购买96股，每股10元的成本，经纪人佣金为每股1/4。

答案 - B

解释

Cost of 1 offer =Rs (10-3/4+1/4) =Rs 19/2. 
Expense of 96 offer =Rs (19/2*96) =Rs 912.

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