Question

the sum of the digit of a two number is 5. if rhe digits are reversed ,the number is reduced by 27. find the number

Answer 1

let the digits be x and y
then, x+y=5
xy-yx=27
we know that 27/9=3
so the digits differ by 3
then ,x+(x+3 or y) = 5
x=1
y=4
so the no. is 14