CBSE Class 10 Answered
very imp.
Asked by | 12 Mar, 2009, 12:32: PM
Expert Answer
let units digit of the no. = x
tens digit = y
So the number is 10y+x
according to the question,
10y+x = 7(x+y)
10y+x = 3xy-12
solving these two equations we get y = 8 and x = 4
Hence the no. is 84.
Answered by | 12 Mar, 2009, 12:39: PM
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