21. What rate of interest is obtained from investing in 9¹/₂% percent at par ?

1. 1. 9¹/₂%

   
   
   

   2. 8¹/₂%

   
   
   

   3. 18²/₃%

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   Actual rate percent = [9¹/₂ / (100 + 0 + 0)] x 100

   Correct Option: A

   Actual rate percent = [9¹/₂ / (100 + 0 + 0)] x 100
   = 9¹/₂%
   

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22. What rate of interest is obtained from investing in 9¹/₂ percent stock. When the quoted price is 14 percent above par ?

1. 1. 8¹/₃%

   
   
   

   2. 8²/₃%

   
   
   

   3. 9¹/₃%

   
   
   

   4. Data inadequate

   
   
   

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1. View Hint View Answer Discuss in Forum

   Actual rate percent = [9¹/₂ / (100 + 14 + 0)] x 100

   Correct Option: A

   Actual rate percent = [9¹/₂ / (100 + 14 + 0)] x 100
   = 25/3
   = 8¹/₃%

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23. What is the annual income derived from Rs. 1800, 5% stock at 100 ?

1. 1. Rs. 90

   
   
   

   2. Rs. 100

   
   
   

   3. Rs. 110

   
   
   

   4. Rs. 95

   
   
   

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1. View Hint View Answer Discuss in Forum

   100 = (1800 x 5) / (Ans - 0)
   or Ans = (1800 x 5) / 100 = 90

   Correct Option: A

   100 = (1800 x 5) / (Ans - 0)
   or Ans = (1800 x 5) / 100 = 90
   ∴ Required answer = Rs. 90
   

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24. What is the annual income by investing Rs. 3000 in 6% stock at 120 ?

1. 1. Rs. 150

   
   
   

   2. Rs. 100

   
   
   

   3. Rs. 200

   
   
   

   4. Rs. 250

   
   
   

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1. View Hint View Answer Discuss in Forum

   120 = (3000 x 6) / (Ans - 0)
   ∴ Ans = (3000 x 6) / 120
   

   Correct Option: A

   120 = (3000 x 6) / (Ans - 0)
   ∴ Ans = (3000 x 6) / 120 = Rs. 150

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25. Find the annual income derived by investing Rs. 770 in 4¹/₂% stock at 96 ? (Brokerage 1 / 4%)

1. 1. Rs. 56

   
   
   

   2. Rs. 46

   
   
   

   3. Rs. 39

   
   
   

   4. Rs. 36

   
   
   

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1. View Hint View Answer Discuss in Forum

   96 = (770 x 9/2) / (Ans - 1/4)
   or Ans = (770 x 9/2) / (96 + 1/4)

   Correct Option: D

   96 = (770 x 9/2) / (Ans - 1/4)
   or Ans = (770 x 9/2) / (96 + 1/4)
   Ans = Rs. 36

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