GENERAL REVIEW. 279. ORAL EXERCISES. 1. The smaller of two numbers is 17, and their difference is 9. What is the larger number? 2. From 8 dozen eggs, 71⁄2 dozen were taken. How many eggs remained? 3. How many feet are there in a rod? 4. Name the factors of 96. Of 108. Of 144. 5. What is the greatest common divisor of 28 and 63 ? 6. How many weeks are there in 100 days? Find the cost of 7. 15 oranges when 5 oranges cost $0.12. 8. 9 yards of cloth when 7 yards cost $28. 9. 12 pounds of sugar when 8 pounds cost $1. 10. 7 quarts of milk if 5 quarts cost $ 0.40. 11. 27 lemons at $ 0.36 a dozen. 12. 8 photographs at $3 a dozen. 13. 7 dozen pencils at $3.60 a gross. 14. If 7 plows can be bought for $84, how many can be bought for $96? 15. If $60 will buy 8 dictionaries, how many will $15 buy? 16. Sarah took music lessons for a year at $16.50 per quarter. What did they cost her? 17. If 12 men can do a piece of work in 6 days, how many days will it take 9 men to do it? 18. If 7 men can build a wall in 8 days, how many days will 14 men require? 19. If a barrel of flour lasts 5 persons 10 months, how long will it last 8 persons? 20. How long will it take 5 men to hoe a field of corn if 6 men hoe it in 9 days? 21. I gave a grocer a two-dollar bill for 8 pounds of raisins at $0.163 a pound. How much change did I receive? 22. How far will a ship sail in g of a day at the rate of 9 miles an hour? 23. Edward spent of his money for a slate, and had 45 cents left. How much did he spend? 24. of 36 is of what number? 25. If you sleep of the time, and study of the time, how many hours a day have you left for other occupations? 26. What part of a square yard is there in a handkerchief a yard square? 27. How many breadths of carpeting of a yard wide will be needed for a hall 9 feet wide? 28. How high and long should a pile of 2-foot wood be to contain a cord? 29. What part of a 4-foot square is a 2-foot square? 30. At what hour of what day does the middle of October come? 31. How many days from Thanksgiving to Christmas when the former comes Nov. 28? 32. At $0.33 a square foot, what will a square yard of zinc cost? 33. What per cent does a grocer make by selling his goods at g of their cost? 34. A lawyer collected $800, and charged 5% for his trouble. What was his fee? 35. A clerk's expenses are 80% of his salary, and he saves $200 a year. What is his salary? 36. Mr. Allen sold for $200 a horse which cost him $160. What per cent did he gain? 37. I rent a house worth $4000 for 10% of its value per year, and take my pay in coal at $8 per ton. How many tons do I have? 38. How shall I mark goods that cost $3 per yard so as to gain 121% ? 39. A merchant deducted 5% from a customer's bill for cash payment. If the sum deducted was $ 20, what was the sum paid? 40. What is the interest of $400 for 2 y. 6 m. at 8% ? 41. Henry Walker has $500 in a savings bank that pays 4% interest. How much money can he draw out at the end of 6 months? 42. Two boys do a piece of work for $6. If one does twice as much as the other, how ought the money to be divided? 43. Two men bought a cord of wood. One paid $3 and the other $5. How many cord feet ought each to have? 1. The divisor is 176, the quotient 175, and the remainder 174. What is the dividend? 2. The product is 18769, and the multiplier 137. What is the multiplicand? 3. The minuend, 46768, is 4 times the subtrahend. What is the remainder? 4. The sum of divisor and quotient is 378. If they are equal numbers what is the dividend? 5. Find the sum of the numbers in Exercises 1 to 5. 6. A and B together had $655, but A having lost $65, they then had equal sums. How much had B? 7. A merchant bought 347 yards of cotton at 9 cents a yard, and 483 yards at 12 cents a yard. He paid $37.50 cash, and gave a check for the balance. What was the value of the check? 8. What was my gas bill for the quarter ending April 1, '82? I used 2 burners that consumed 4 cubic feet per hour, 3 hours each evening. The price was $2.50 per thousand cubic feet. 9. If 5 tons of hay cost $106.25 what will 13 tons cost? 10. In what time will 48 men do a piece of work that 12 men can do in 24 days? 11. How far can a man travel in 18 days at the rate of 378 miles in 6 days? 12. If a locomotive runs 28 miles an hour, 12 hours a day for 312 days, how many miles does it run? Find the cost of 13. 100 tons of coal when 141 tons cost $775.50. 17. 7 months' rent at $350 per year. 18. 13 quires of paper at $4.20 per ream. 19. 10 inkstands at $4.50 a dozen. 20. How many yards of cloth can be bought for $1656.78 at $3.18 per yard? 21. Change 3644 and 581 to fifths. 22. of Mr. A's property is in real estate, & of it is in railroad stock, and the remainder, $ 16000, is in cash. What is Mr. A worth? 23. To what must you add the difference between 15₫ and 7 to make 121? 24. John Day sold Robert Burns 78 pounds of cheese at $ 0.15, 15 pounds of beef at $0.083, and 2 quarts of syrup at $0.75 a gallon. Make out a bill and receipt it. 25. A. G. Downs & Co. sold Miss Ida White 3 yards of gingham at 25 cents, 12 yards of muslin at 371⁄2 cents, and 21 dozen buttons at 50 cents. Make out and receipt her bill. 26. Add 18 and 0.0375. 27. Take 163 × 144 from of 5000. 28. In how many hours will a pedestrian walk 100 miles at the rate of 4 miles per hour? |