A collection of arithmetical questions with answers1849 - 120 σελίδες |
Συχνά εμφανιζόμενοι όροι και φράσεις
13 marks 25 lire 9 ft acres amount Amsterdam bought breadth bricks broad bushel CHESTERFIELD circle circumference cistern clock Compound Interest containing cost cube cubic foot cubic inch cubical box DECIMAL FRACTIONS discount Divide dividend dollars exchange between London Express in positive find the alteration Find the difference find the edge find the length find the number find the ratio Find the value florins following expression francs gain 12 GALLIMORE gallons Genoa gold guineas Hamburgh inches in section invested IRONGATE Lisbon miles minutes MISCELLANEOUS EXAMPLES moidore mrks Multiply person pound produce profit proportional radius railway share receive rectangular Reduce revolutions revolutions per minute rupees seconds selling shillings Simplify the following sold solid inches square feet square yard sterling Stock thickness vulgar fraction weight wheel whereof whole surface worth دو وو
Δημοφιλή αποσπάσματα
Σελίδα 37 - Two cubical boxes have edges respectively jj inch, and 2 ft. 3 in. ; find the ratio (1) of their surfaces, and (2) of their volumes. 55. A clock has its face marked so as to shew 24 hours in a day; and on a certain evening half an hour after sunset it was set at 24 o'clock. The morning following it was 8 min. past 4 by a common clock when it was 4 minutes past 8 by this clock. Find the time of sunset the previous evening.
Σελίδα 36 - The areas of circles are proportional to the squares of their radii...
Σελίδα 23 - A person having bought goods for £20, sells half of them so as to gain 10 per cent. ; for how much must he sell the remainder so as to gain 20 per cent.
Σελίδα 36 - A person rents a piece of land for £120 a year. He lays out £625 in buying 50 bullocks. At the end of the year he sells them, having expended £12. 10s. in labour. How much per head must he gain by them, in order to realize his rent and expenses, and 10 per cent, upon his original outlay1!
Σελίδα 26 - If 5 men can reap a field whose length is 800 feet and breadth 700 feet in 3^ days of 14 hours each ; in how many days of 12 hours each can 7 men reap a field 1800 feet long and 960 broad?
Σελίδα 19 - Given that the velocity of a falling body is proportional to the time...
Σελίδα 35 - A and В together can do a piece of work in 30 days; В by himself can perform the same in 70 days : in what time could A finish it by himself; and how much more of the work does A do than В ? 37.
Σελίδα 12 - Gunpowder being composed of nitre 15 parts, charcoal 3 parts, and sulphur 2 parts; find howmuch of each is required in making 16 cwt.
Σελίδα 33 - What sum of money must be paid down, in order to receive £360 10s.
Σελίδα 33 - Two clocks point to 2 at the same instant; one loses 7 seconds, and the other gains 8 seconds in 24 hours ; when will one be half an hour before the other, and what time will each clock then shew ? 3.