The sum of the digits of two digit number is 12. If 18 is added to it , the digits reversed . Find the number .
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Answered by
114
Answer:
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Answered by
1
Answer:
57
Step-by-step explanation:
Let x and y be the numbers
x+y = 12 (i)
According the question
the number= 10y +x
reversed number = 10x+y
So,
10y+x-(10x+y)=18
y-x=2 (ii)
Adding (i) and (ii)
2y=14
y=7
x+7=12
x=5
the number= 57
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