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" 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. "
An Elementary Treatise on Algebra: Designed as First Lessons in that Science - Σελίδα 199
των Horatio Nelson Robinson - 1850 - 240 σελίδες
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Mathematics: Compiled from the Best Authors and Intended to be the ..., Τόμος 1

1801 - 446 σελίδες
...and gained by the bargain as much as one piece cost him ; required the number of pieces. Ans. 15. 8. What number is that, which being divided by the product of its two digits, the quotient is 3 ; arid if 18 be added to it, the digits will be inverted ? Ans. 24. 9. What two numbers are those,...

A Course of Mathematics ...: Composed for the Use of the Royal Military ...

Charles Hutton - 1811 - 406 σελίδες
...of their squares may be 893 and their sum multiplied by the greater may produce 104. Ans. 5 and 8. 11. 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 ? Ans....

A Course of Mathematics: For the Use of Academies as Well as Private Tuition

Charles Hutton - 1812 - 620 σελίδες
...of their squares may be 89, and their sum multiplied by the greater tnay produce 104. Ans, 5 and 8. 11. What number is that, which being divided by the product of its two digits, the quotient is 5 j ; but when 9 is subtracted from it, there remains a number having the same •digits inverted ?...

Easy Introduction to Mathematics, Τόμος 1

Charles Butler - 1814 - 540 σελίδες
...24000/. what was B's share of the stock, and A's gain ? Ans. B's share 16000/. A's gain 180002. 99. What number is that which being divided by the product of its two digits, the quotient is 2, and if 27 be added to the number, the digits will be inverted ? Ans. 36. 1 00. A nobleman hired...

A Course of Mathematics: In Two Volumes. For the Use of Academies ..., Τόμος 1

Charles Hutton - 1818 - 646 σελίδες
...of their squares nay be 89, and their sum multiplied by the greater may produce 104. Ans. 5 and 8. 11. What number is that, which being divided by the...number having the same digits inverted ? Ans. 32. 12. To divide 20 into three parts, such that the continual product of all three may be 270, and that the...

Geometrical Problems Deducible from the First Six Books of Euclid, Arranged ...

Miles Bland - 1821 - 898 σελίδες
...— 7, and IX = 36, or 49 ; 49 Л X = 18, or — ; 2 and consequently he began with 18 shillings. 27. What number is that, which being divided by the product of its two digits, the quotient is two, and if 27 be added to it, the digits will be inverted ? Let x and у be the digits ; Л lox +...

A Course of Mathematics: For the Use of Academies, as Well as Private ...

Charles Hutton - 1822 - 616 σελίδες
...What nnmbef is that, which being divided by the pro• duct of its two digit*, the quotient is ,">i ; but when 9 is subtracted from it, there remains a number having the same digits inverted? ADS. 32. 12. To divide 20 into three parts, such that the continual product of all three may be i70...

Algebraical Problems, Producing Simple and Quadratic Equations, with Their ...

Miles Bland - 1824 - 404 σελίδες
...or -7, and <2x = 36, or 49; 49 .'. r =18, or—; ' and consequently he began with 18 shillings. 'S?. What number is that, which being divided by the product of its two digits, the quotient is two, and if 27 be added to it, the digits will be inverted ? Let лг and у be the digits; .'. 10лг...

An Elementary Treatise on Algebra: Theoretical and Practical

James Ryan, Robert Adrain - 1824 - 542 σελίδες
...,y=4, or-^12, both which vnhies nnswer the conditions; and the nnrobrcs are 7, II, and 2.3. Prob. G. What number is that, which being divided by the product of its two digits, the quotient is 2; and if 27 be added to it, the digits will be inverted ? " Ans. 3G. Prob. 7. There are three numbers,...

An Elementary Treatise on Algebra: Theoretical and Practical

James Ryan - 1824 - 550 σελίδες
...y=4, or— 12, both which values answer the conditions; and the numbers are 7, II, and 23. Prob. 6. What number is that, which being divided by 'the product of its two digits, the quotient it 2 ; and if 27 be added to it, the dibits will be inverted ? Ans. 36. Prob. 7. There are three numbers,...




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