Question

a number consists of two digit the digit at the ones place is 3 times the digit at the tens place if 36 is is added to the number the digits are reversed find the number

Answer 1

let the number at tens place be x
then number at ones place is 3x
now the number can be written as 10x +3x in expanded form
now, according to question
10x + 3x +36 = 3x × 10 + x
13x +36 =31x
36= 18x
x = 2
so the no. is 26
hope it HELPS