Imágenes de páginas
PDF
EPUB

71. At what rate per cent. will the simple interest on £4127, 10s. amount to £92, 175. 41d. in 2 years?

72. What principal should be put out at 3 p. c. simple interest for 10 years to amount to £348, 6s.?

73. In how many years will £8500 amount to £9973, 6s. 8d., at the rate of 34 p. c. per ann., simple interest?

74. At what rate per cent. will £1553, 10s. amount to £1957, 8s. 2 d. in 3 years?

75. If interest be paid at the rate of 3 p. c. per ann., what sum of money, lent for 4 years at simple interest, would amount to £769, 10s.?

76. What sum ought to be invested at 2 per cent. for 31 years in order to amount to £348, 12s.?

At what rate per cent. simple interest would £112, 10s. amount to £128, 5s. in 4 years?

78. What amount of capital, put out at 3 per cent. per annum, simple interest, would produce £14 interest in 24 years?

79. If £10, 8s. 9d. produce 19.6875 shillings interest in 6 months, what is the rate per cent. per annum?

80. In what time will £91, 135. 4d. amount to £105, 6s. old., at 4 p. c. per annum, simple interest?

81. What principal in 3 yrs. 73 dys. will amount to £10, Is. 10 d., simple interest, at 64 p. c. per annum?

82. What sum of money in 1 yr. 40 dys. will produce £235, Is. 44d. interest, at 3 per cent. per annum?

83. At what rate per cent. will £230 amount to £231, 18s. 9 d. in 73 days?

84. In what time will £2720 amount to £3604, at 5 per cent. simple interest.

85. At what rate, simple interest, will £520 amount to £754 in 9 years?

86. What is the rate of interest per cent. per annum, when £92, 10s. gains £29, 12s. in 4 years?

87. What sum of money, at simple interest for 3 years at 4'6 per cent. per annum, will amount to £6156?

88. If £880 amount to £899, 5s. at simple interest for of a year, what must be the rate per cent. per annum?

89. In what time will £225 amount to £256, 10s., at 31 p. c. per annum, simple interest?

90. At what rate per cent. simple interest will £936, 13s. 4d. amount to £1157, 7s. 41d. in 43 years?

91. In what time will £225 amount to £256, 10s., at 1 p. c. per annum?

4

92. What sum will amount to £105, 6s. old. in 3 years, at 44 per cent. per annum?

93. What principal lent from March 10 to May 22, at 5 per cent., will amount to £712, 9s. 5d?

94. A sum invested at 83 per cent. per annum amounts to a guinea in 219 days; what is the sum?

95. Find the rate p. c. at which £411, 10s. will amount to £416, 12s. 10d. in a quarter of a year.

96. What principal will yield £43, 10s. 7 d. simple interest in 3 years, at 4 p. c. per ann. ?

97. £175 produced £26, 18s. 1d. simple interest in 3 yrs. 5 mths. ; find the rate per cent.

98. If I lend to a friend £1250 at 4 p. c. simple interest, and tell him to keep it until principal and interest amount to 1666, 13s. 4d., how long will he have it?

99. At what rate per cent. simple interest will £1248, 125. amount in 2 years to £1443, 13s. 10d.?

100. In what time will £112, 10s. amount to £128, 5s., at 3p. c. simple interest?

101. In what time will £926, 15s. amount to £962, 25. 81d., at 7 p. c. per ann. ?

102. At what rate per cent. will £325, 16s. 8d. amount to £374, 6s. old. in 3 years at simple interest?

103. What sum invested at 5 p. c. per ann., simple interest, will produce in 4 years the same amount of interest as £250 lent out at 3 p. c. would produce in 6 years?

-104. What sum will amount to £150, 8s. in 4 years, at 5 p. c. per ann. ?

43. If 00234375 of a mile of footway cost 2 guineas to lay down, what would be the cost of laying down mile and a half?

of a

44. Find the value of 176 of 1 fur. 36 pls. 2 yds. 5 in.; and of 22 of 3 qrs. 15 lbs.

45. What distance can one travel in the penny-a-mile train for a ticket costing $375 of a guinea?

46. What is the price of 60026 oz. of gold at £3, 17s. 10ld. per oz. ?

47. A merchant commences business with the sum of £800; this increases at the rate of 25 every year: what will be the amount at the end of the fifth year?

48. What will be the length of the hem of a handkerchief, two of the sides of which measure 16.18 inches, and the other two measure each 33.8i inches?

49. The true length of the year is 365 24224 days; if it be calculated at 365 days, how soon will the error amount to one whole day?

50. Find the vulgar fraction equivalent to the sum of 14'4 and 144 divided by their difference.

51. What is a decimal? Find the decimals equal to each of the following:-133, 188, 125, 5995.

103 7

89

52. Find the value of 3'27 of 3 of 27 tons.

53. If one ounce avoirdupois cost £03125, what will 03125 Its. cost?

54. Add together the value of five times 173 of three halfcrowns, 17:43 half-sovereigns, 1795 crowns, £19, and 7:45 shillings.

55. What is the quarter's rent of 13'916 acres of land, at £245 per acre per annum?

56. Subtract by decimals 14s. 10ld. from 17s. 5d.

57. Find the price of 14 cwt. 3 qrs. 14 lbs. at £625 per cwt. 58. Add together and express as a decimal ( of 4) and 1; and (of) and

59. Find the value of 00375 lbs. Troy of sterling gold, at the rate of £3, 17s. 10d. per oz.

121. What principal will amount to £1260 in 5 years at 4 p. c.?

122. At what rate of interest must £730 be lent for 95 days to amount to £739, 10s.?

123. At what rate p. c., simple interest, will £736, 13s. 4d. amount to £885, 16s. 10d. in 4 years?

124. Find the principal which, in 4 years at 4 per cent., will amount to £962.

125. At what rate per cent. per annum should £255, 10s. be lent from April 1st to June 20th to produce £2, 16s. interest? 126. What principal will yield £153 interest in 4 years at 4 per cent. ?

INTEREST (Compound).

1. Give the rule for finding the compound interest on a given sum for a given number of years, at a given rate of

interest.

2. Find the compound interest on £200 for 3 years, at 5 per cent.

3. Compound interest of £270 in 2 years, at 3 per cent. (answer to decimals of a penny).

4. Compare the simple and compound interest on £1000 for 3 years, at 5 p. c.

5. Find the compound interest on £500 for 4 years, at 5 per cent. per annum.

6. Required the compound interest and amount of £457, 10s. for 3 years, at 4 p. c. per ann.

7. Find the compound interest and amount of £49,000 for 31 years, at 7 p. c. per ann.

8. What is the amount of £400 for 4 years, at 4 per cent. per ann., compound interest?

9. Find the difference between the simple and compound interest on £2000 for 2 years, at 5 p. c. per ann.

10. Find the difference between the simple and compound interest on £116, 2s. 11d. for 3 years, at 9 per cent. per

annum.

75. A person owned of a coal mine, and sold of of his share for £512525; what was the value of the mine and of his share of it?

76. Find the difference between a dozen half-crowns reduced to the decimal of a score of half-crowns, and a score of halfcrowns reduced to the decimal of a dozen.

77. Express in decimals the average of 8.625, 20, 3, 12, o, 3, and 471.

78. I am paid one guinea per working week of 6 days; express decimally the amount of my earnings in a leap year, beginning (1) with a Monday, (2) with a Sunday.

79. State and prove the rule for the reduction of circulating decimals to vulgar fractions. Give examples.

80. Find the difference between 08 and ; and between 18 and; and between 8i and ; and add their differences together.

81. Add 31

4

of 45. 7d., 235 of a shilling, 2375 of £1, and reduce the result to the decimal (5 places only) of half-aguinea.

82. How many seconds are there in a century, if a solar year contains exactly 365 242218 solar days?

83. Divide £57'75 into 86.625 shares, and find what fraction each share is of 93 guineas.

3

84. Find the sum-total of the following quantities, and the value of the whole at 7 of 6s. 8d. per pole, viz. 18 of of an acre +95 of 8 of a rood.

85. What is the cost of a dish of almonds and raisins, consisting of 375 lbs. almonds and '75 lbs. raisins, if the almonds be £0416 and the raisins £04583 per lb. ?

86. Find the value of 1 lb. avoirdupois of pure gold, if the value of 1 oz. Troy of sterling' gold, 916 fine, is £389375.

87. If a man travels in the day '9746 of 15°274 miles at an expense of 73 of 7s. 6d., how far will he go in 365-242242 days, and at what cost? Give both answers to five places of decimals.

« AnteriorContinuar »