InterviewSolution
Saved Bookmarks
| 1. |
A two digit number issuch that the product of the digits is 14. When 45 isadded to the number, then the digits are reversed. Find the number. |
|
Answer» Correct Answer - 27 Let the tens digit be x and units digit be y. Then, `xy=14" and "10x+y+4=10y+x` `implies" "xy=14" and "9(y-x)=45impliesxy=14" and "y-x=5` `implies" "x(x+5)=14" and "y=(5+x).` |
|