Sum of the digits of a two digit number is 11 when we interchange the digits it is found that the resulting new number is greater than the original by 63 . Find the 2 digit number
Please solve it for 13 points.....
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let the tens digit be X n the units digit be y
10 X + Y + 63=10Y + x
9X + 63 = 9y
9 x - 9 Y =63
x - y =7. 1
and X + Y = 11. 2
adding both the equation
2 x =18
x =9
Y =2
hence the number will be 92
10 X + Y + 63=10Y + x
9X + 63 = 9y
9 x - 9 Y =63
x - y =7. 1
and X + Y = 11. 2
adding both the equation
2 x =18
x =9
Y =2
hence the number will be 92
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