Question

the sum of the digits of a two digit numbers is 11. the digit at one's place is 2 more than twice the digit at ten's plce. find the number

Answer 1

let the tens place digit be x
so a/q ones place digit =2x+2
x+2x+2 =11
3x-9 =0
x=9/3
x=3
then the number is 38