Question

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Ques - In a two digit number the digit at the unit place is three times the digit in tens place and the sum of the digits is 8. What is the number.
Thank You

Answer 1

this can be written as : 3x+x=8 or, 4x=8 or, x= 8/4=2                                            therefore if x is 2 then 3x is 6

Answer 2

let the digit at tens place be x,
therefore, the digit at unit place is 3x
also x+3x=8
i,e, 4x=8
i.e. x=2
i.e. digit at tens place=x=2
and digit at unit place=3x=6
i.e. the required number=26