The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number?
| 1. | The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number? |
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Answer: Option B Explanation: Let the ten's digit be x and unit's digit be y. Then, (10x + y) - (10y + x) = 36
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9(x - y) = 36Leave a Comment