Wentworth & Hill's Examination Manuals: Arithmetic, Τεύχος 1

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Σελίδα 33 - ... contain 554.6 cubic feet? 8. Find the square root of 1,874,161. Extract to 4 places of decimals the cube root of 0.002. What must be the side of a cubical cistern which is to contain 1000 gallons of water, if a gallon contains 277.164 cubic inches? 9. A grocer mixes 2 kinds of sugar at 4d. and 6\d. per pound, taking 3 pounds of the first to 2 of the second. At what price per pound must he sell the mixture to gain a profit of 20 per cent ? 10. Divide £144 10s. among 3 persons in the proportions...
Σελίδα 1 - A merchant owning ^ of a ship, sold \ of his share ; what part of the ship did he sell ? What part did he keep ? 14.
Σελίδα 119 - If a pint contains 28-| cubic inches, how many pints are there in a cubic foot of water ? 4. If 14 liters of water be poured into a vessel containing 6 liters of sulphuric acid, specific gravity 1.84, and the mixture shrink to 19.944 liters, what is the specific gravity of the mixture ? 5. Find 0.015 of 17 acres 130 square rods. 124. 1. If 5 needlewomen can finish a certain quantity of work in...
Σελίδα 135 - A reservoir is 24 feet 8 inches long, and 12 feet 9 inches wide. How many cubic feet of water must be drawn off to make the surface sink one foot?
Σελίδα 85 - The sides of two squares contain 77 yards 1 foot 9 inches, and 7 yards 2 feet 4 inches, respectively. Find the side of a square whose area is equal to the sum of the areas of the two squares.
Σελίδα 75 - If a man rows 10 miles in 2J hours against a stream, the rate of which is 3 miles an hour, how long will he be rowing 5 miles with the stream ? 3.
Σελίδα 67 - B $2400, in business. The net profit at the end of the year is $ 720. How much should A and B each receive, and what is the rate of interest upon the investment ? 4. Find the least common multiple of 5, 7, 16, 28, 48, 21. 5. If i of a ship be worth $292.25, what part of her will be worth $1002? 6. If 10 men can reap 20 acres in 4 days, how many men can reap 70 acres in 10 days? 72. 1. What sum of money will amount to $276.25 in 1 year and 3 months at 5 per cent simple interest? 2. When 3 per cent...
Σελίδα 17 - ... thermometer mark when Fahrenheit's marks 47°, and what will Fahrenheit's mark when Reaumur's marks 93° ? 10 A and B rent a pasture for £138 per annum ; A puts in 200 sheep and B 160, but at the end of six months they dispose of half their stock, and allow C to put in 120 ; what should A, B, and C pay severally towards the rent at the year's end ? 11. It is noticed that the water in a reservoir 38 feet long and 26 feet wide which is known to leak sinks one inch in 12 hours. A pipe discharging...
Σελίδα 11 - The external length, breadth, and depth of a box are 6 feet 2 inches, 3 feet 8 inches, and 2 feet, respectively, and it is made of wood 1 inch thick. Find the quantity used. 11. Two pipes running together can fill a cistern in 8 minutes, and one of them alone can fill it in 24 minutes. How long would the other alone take ? 12. If 12 men, working 8 hours a day, do $ of a piece of work in 20 days, how many days will 15 men, working 10 hours a day, take to do £ of it ? XXXVII. UNIVERSITY OF OXFORD,...

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