find the number whose sum of digits is 6 and if we add 18 to it the digit will become reverse
anilsamadhiya:
24 is the answer
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let no be XY
.X + Y = 6
10 x + y + 18= 10Y + x
9x +18 -9y =0
x + 2 -y=0
x- y = -2
x+ y= 6
add
2x = 4
x= 2
y = 4
so number is 24
.X + Y = 6
10 x + y + 18= 10Y + x
9x +18 -9y =0
x + 2 -y=0
x- y = -2
x+ y= 6
add
2x = 4
x= 2
y = 4
so number is 24
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