 | Horatio Nelson Robinson - Algebra - 1850 - 256 pages
...of 4 times the less part, may be 112 more than the square of 2 times the greater. Ans. 4 and 6. 11. What number is that, which, being divided by the product of its two digits, the quotient is 5J; but when 9 is subtracted from it, there remains a number having the same digits inverted ? Ans.... | |
 | Uriah Parke - Arithmetic - 1850 - 402 pages
...in about a minute, #=-- . 2 (bn+<*/a' ¿ m*-ib 2 m*—a 2 rc 2 .) He also gave the ji Then said I, What number is that which, being divided by the product of its digits, the quotient is 3 ; and if 18 be added, the digits will be inverted ? He flew out of his chair,... | |
 | John Bonnycastle - Algebra - 1851 - 288 pages
...by the greater produces 130, and whose difference multiplied by the less gives 21. Ans. 10 and 3. 4. What number is that, which being divided by the product...digits, the quotient is 2 ; and if 27 be added to it the digits will be inverted 1 Ans. 36. 5. There are three numbers, the difference of whose differences... | |
 | William Smyth - Algebra - 1851 - 272 pages
...questions involving two unknown quantitieS. 1. There is a number which being divided by the products of its two digits, the quotient is 2, and if 27 be added to it, the digits will be inverted. What is the number ? Let x and y be the digits ; then 10 x -\- y =... | |
 | William Somerville Orr - Science - 1854 - 534 pages
...\((W + 4) = ± 12 .'. *= — =y = l + 6 == 7, or— 5. Consequently they were 7 persons at first. 3. What number is that which, being divided by the product...digits, the quotient is 2 ; and if 27 be added to it, the digits will bo im-crted or transposed. Let * and у be the digits, then the number is 10»... | |
 | Charles Davies - Algebra - 1856 - 224 pages
...~П> 225 50025 _ 225 + 255 '" 1024 - Ж ±"32~; 480 using the positive value only, x = -— — lo. 6. What number is that, which being divided by the product of its digits, the quotient will be 3 ; and if 18 be added to it, the order of its digits will be reversed... | |
 | John Fair Stoddard, William Downs Henkle - Algebra - 1859 - 538 pages
...and the number of gallons of British ? Ans. Cognac 18s. per gallon, and 36 gallons of British. 24. What number is that, which being divided by the product...two digits, the quotient is 2, and if 27 be added to it, the digits will be inverted ? Ans. 36. 25. I have a certain number in my mind ; this I multiply... | |
 | Charles Davies - Algebra - 1859 - 324 pages
...; that the sum of the numbers shall be 33, and the sum of their squares 467. Ans. 5, 9, and 19. 19. What number is that which, being divided by the product of its two digits, the quotient will be 3 ; and if 1 8 be added to it, the resultmg number will be expressed by the digits inverted... | |
 | James Wharton - 1860 - 176 pages
...each of the rest had to pay 4s. more than he otherwise would have done. Required their number. (28.) What number is that, which being divided by the product of its two digits, the quotient is 5¿, but when 9 is subtracted from it, there remains a number having the same digits inverted ? (29.)... | |
 | Charles Davies - Algebra - 1860 - 412 pages
...and gained by the bargain as much as one piece cost him : how many pieces did he buy ? Ans. 15. 6. What number is that, which, being divided by the product of its digits, the quotient will be. 3; and if 18 be added to it, the order of its digits will be reversed?... | |
| |
What number is that, which, being divided by the product of its digits, the quotient is 3 ; and if 18 be added to it, the digits will be inverted ? Ans. 
