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sum of the digits of two digit is 18. If the digits are reversed the number is 126 more than the original. Find the number |
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Answer» LET UNIT place is x and tenth place is y so Condition 1 x +y = 12 Condition 2 if digit reversed y +10x = x + 10y -18 y + 10x -x - 10y= -18 9x -9y = -18 9y -9x =18 9y- 9(12–y)= 18 9y-108+9y=18 18Y= 18+108 y = 126/18 y= 7 So x = 12–7 =5 Original number = 10x +y = 10x5+7= 57 4.7k views · VIEW Upvoters · Answer requested by AVINASH Mishra Upvote · 4 5 Share |
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