Question

in a 2-digit number, the units digit is four times the tens digit and the sum of the digits is 10. find the number

Answer 1

28 is that digit......

solution .
let the tens digit be x ...
so, x+4x=10
5x=10
x=2
so, tens digit = 2
and, once digit = 4×2=8

Ans-28

Answer 2

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