Question

if 19 is subtracted from a two digit number , then resulting number is two - third of the original number . what is the sum of two digit of the number​

Answer 1

Answer:

let the number be 10x+y so,

given: 10x+y-19=2(10x+y) /3

3(10x+y-19) = 20x+2y

30x+3y-57 =20x+2y

10x+y=57

hence the number is 57

so the sum of the digits of the number is 5+7=12

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