44. In what time will $590 gain $76.70 at 4% ?

45. Three men engage in trade; A furnishes $900, and C $650; they gained $725. B's gain was $125; what was his amount of stock?

46. What sum should be discounted at a Baltimore bank for the present payment of $1000 due in 60 days, interest and discount being each 6%?

47. The whole surface of a cylinder is 10 sq. yd.; the diameter equals the height; what is the solidity?

48. What is the amount of $250, at 5% compound interest, for 5 years and 6 months?

49. How many tons of anthracite coal can be put in a bin that is 20 feet square and 5 feet high, allowing 54 lb. of coal to the cubic foot, and 2240 lb. to the ton?

50. My loss is equal to 12% of the selling price; the cost is what % of the selling price?

51. How many minutes and seconds does the earth move in 1 day, if 365 days make a year?

52. What was the value of a dollar in currency when gold was quoted at 1101?

53. Find the amount of $1111.11 from Mar. 8, 1878, to Jan. 15, 1879.

54. What is the length of a line parallel to the base that will cut off of the area from a triangle whose base is 50 ft.? 55. What is the weight of 500 miles of iron wire in. in diameter, a cubic ft. weighing 480 lb.?

56. If a commission merchant has $1980 to expend, which includes his commission of 21%, what amount of goods can he purchase?

57. What is the square root of 2 to six decimal places?

58. Sold of a ship for as much as of the ship cost: what is my % of profit?

59. Paid $37.50 for the insurance on a house worth $5000, at 11%; what is the amount insured?

60. What is the rent of a house from Mar. 1, 1878, to Feb. 14, 1879, at $43.75 per month?

61. The bank discount of a note of $1500 was $16; what was the time named in the note, it having been discounted in Pittsburg at 6% on the day it was dated?

62. Find the radius of a circle whose area is 1 sq. chain.

63. If I sell tea at 40 ct. a pound, I gain 3 times as much money as I do by selling it at 36 ct. a pound; what is the cost of the tea?

64. Bought a 10% stock at 120, kept it 18 months, and sold it at 118; what % did my investment pay?

65. At what price must I buy stock so that by selling it at 90 I may realize 10% on the investment?

66. Bought a quantity of apples for $8.40; had I received 3 pecks more, each peck would have cost me as much; what did the apples cost per bushel?

67. Sold a horse at a loss of 20%; had I received $10 more, my loss would have been less; what was the selling price?

68. Find the cube root of .009 to five decimal places.

69. Liquor worth $2.50 a gallon has been reduced in value to $1.87 a gallon by the addition of water; what is the % of water added to a gallon?

70. A grocer sold a hogshead of molasses at the rate of 50 cents a gallon, and, allowing 5% for bad debts and 5% for collecting, made a clear gain of 5%; what was the first cost of the molasses per gallon?

71. For what amount must I give a 90-day note in a Baltimore bank to obtain $500?

72. How many feet of inch boards could be cut from a log 40 ft. long and 16 in. square, allowing in. for each saw-cut? 73. I buy U. S. 6's at 108, and after three years they are redeemed; what % did they pay me?

74. A publisher sells to the trade 40 copies of a book at the retail price of 24 copies; what does he receive for a book at wholesale which retails at $1.50?

75. A bar of metal 6 ft. long, 4.5 ft. wide, and 1.5 in. thick is cast into a cube; what is the length of the side?

76. I owe $10000, in 6 mo., in 10 mo., and the remainder in 1 year; what is the present worth of the debt?

77. What is the length of the longest straight line that can be drawn in a cubical room whose volume is 15625 cubic feet?

78. If I rent a house that cost $5000 for $25 a month, and pay 2% on of its value in taxes and $25 a year for repairs, what % does the house pay me?

79. What is the side of a cubical bin that will hold 10 tons of anthracite coal of 2240 lb. each?

80. How much is 33% of 163% of 61% of $18.75?

81. The volume of a sphere is 10 cubic feet; what is its surface?

82. When City 6's are selling at 114, what sum must be invested in them to yield an income of $1500 a year?

83. What is the value, at $9.50 a cord, of a pile of hickory wood 30 ft. 4 in. long, 8 ft. wide, and 10 ft. high?

84. Divide .002 by eight millionths.

85. Multiply six thousandths by six and six thousandths. 86. What is the value of a permanent income of $1550 a year, interest at 41% ?

87. If a cylindrical stack of hay 6 ft. high weighs 4000 lb., what is the weight of a stack whose height is the same and diameter twice as great?

88. If the factors of a certain number are 2, 3, and 4%, what is of 21% of the number?

89. If a merchant can pay but 163 cents on the dollar, how much can he pay on a debt of $163?

90. Express in a proportion the ratios 7, 4.

91. In what time will $425 gain $31.875 at 5% ?

92. How many balls of cast iron 2 inches in diameter are equivalent in weight to a ball 12 inches in diameter ?

93. Find the equated time of $750 due in 15 days, $300 in 3 months, and $75 due in 1 year.

94. Bought $10000 U. S. 4's at 100; what is my annual income?

95. Goods marked at 75% above cost are sold at 33% below the price marked; if 10% is then allowed for prompt payment, what is the % of profit?

96. How many bricks 8 by 44 will be required to pave a yard 100 ft. long and 60 ft. wide?

97. What will be the proceeds of a note discounted in New York, the time for which it is drawn being 60 days, the face $950, and the rate 7%?

98. If 15% of the price obtained for goods is gain, what is the gain %?

99. What is the value of 117 +1 ?

100. If 1000 feet of inch pine lumber weigh 1800 lb., what is the weight of a pine plank 20 ft. long, 4 in. thick, and 18 in. wide?

101. If a solid cylinder of iron 10 inches in diameter weighs 100 lb., what is the weight of a cylinder 20 inches in diameter and of the same height as the other?

102. Divide 112 into two parts in the ratio of and §. 103. What is the fourth power of .005?

104. The height of a room is 16 feet, the width is 14 feet, and the length is 20 feet; what is the length of the longest straight line that can be drawn in the room?

105. The true discount of a debt due in 18 mo. is $18.30; what is the debt, money being worth 6%?

106. The bank discount, at 6%, on a note dated Feb. 1, 1878, for 3 months, discounted in Baltimore Mar. 3, was $30.60; what was the face of the note?

107. A room is 20 ft. square and 20 ft. high; if each side of the floor were 10 ft. longer, how much greater would the entire surface of the room be?

108. A merchant owes $1000, payable in 9 mo.; if he should pay $200 in 2 mo. and $600 in 4 mo., how long should he keep the remainder?

109. The area of the largest circle that can be drawn on the surface of a sphere is 1 sq. foot; what is the solidity of the sphere?

110. A sidereal day is 23 h. 56 m. 4 sec. mean solar time; how many sidereal days in 3654 solar days?

111. What fraction of a pound Troy is of a pound Avoirdupois ?

112. What decimal of a square yard is .02 of a sq. in.? 113. In what time will $200 gain $3.76, at 7% interest? 114. The diagonal of a square is 1 mile; what is its area? 115. How many bushels of corn can be stored in a bin whose capacity is 1200 gallons wine measure?

116. What is the true present worth of $7500, due in 1 year 7 mo., at 8% ?

117. How many board feet in 30 pieces of hewn timber, each 40 ft. long, 3 ft. wide, and 18 in. thick?

118. For what sum must a 90-day note be given in a New York bank (rate 7%), to obtain $3000?

119. What is the surface of a sphere whose solidity is one cubic foot?

120. Divide 9 mi. 150 rd. 6 in. by .7.

121. When currency is at 20% discount, what is the premium on gold?

122. A broker sold 6% stock at 105, and invested the net proceeds for the owner in another 6% stock at 103, brokerage % on each transaction; what rate does the investment pay?

123. Find the average term of credit of $600 due in 41 mo., $625 due in 3 mo. 10 da., and $500 due at once.

124. If the ratio is 34 and the consequent 12, what is the antecedent?

125. A, B, and C gained $5000 in a business to which A contributed $1200 for 3 mo., B $2000 for a year, and C $500 for 18 mo.; what was each man's share?

126. Find the least common multiple of 343, 5929, 7007, 8281, and 16807.

127. What is the difference in weight between 9 lb. 10 oz. of gold and 9 lb. 10 oz. of copper?

128. What is the interest on $1990 for 2 yr. 3 mo., at 5% ?