Join ExamsbookAnswer : 4. "39"
The sum of the digits of a two-digit number is 12. The difference of the digits is 6. Find the number ?5
Q: The sum of the digits of a two-digit number is 12. The difference of the digits is 6. Find the number ?
- 157false
- 275false
- 348false
- 439true
- Show AnswerHide Answer
- Workspace
Answer : 4. "39"
Explanation :
Answer: D) 39 Explanation: Let the two-digit number be 10a + ba + b = 12 --- (1)If a>b, a - b = 6If b>a, b - a = 6If a - b = 6, adding it to equation (1), we get2a = 18 => a =9so b = 12 - a = 3Number would be 93.if b - a = 6, adding it to the equation (1), we get2b = 18 => b = 9a = 12 - b = 3.Number would be 39.There fore, Number would be 39 or 93.