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1. |
In a two-digit number, the digit at the unit's place is 1 less than twice the digit at the ten s place. If the digits at unit s and ten s place are interchanged, the difference between the new and the original number is less than the original number by 20. The original number is |
A. | 47 |
B. | 59 |
C. | 23 |
D. | 35 |
Answer» B. 59 | |