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sum of the digits of a two digit number is 9 and the difference of the digits is 5 how many numbers can be found to satisfy the given conditions find the numbers |
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Answer» Answer: 72 Step-by-step EXPLANATION: so the SUM of the digits are x+y=9 ----(i) the DIFFERENCE of the digits are x-y=5 ----(ii) (i)+(ii)=2x=14 ⇨x=7 so, y=2 so the number must be :10×7+2=72 |
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