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Q: The sum of the digits of a two-digit number is 12. The difference of the digits is 6. Find the number ?

  • 1
    57
  • 2
    75
  • 3
    48
  • 4
    39
  • Show 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.

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