A 2 digit positive no. Is such that the product is 6. if 9 is as added to the no. the digits interchange their places
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y=-1\5,x=-6\5
because,x=6y,10x+y+9=10y+x
interchanging of digits of number
because,x=6y,10x+y+9=10y+x
interchanging of digits of number
12345632:
what
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