Question

in a two digit number the digit at the units place is double the digit at the tens place the number exceeds the sum by digits by 18 find the number

Answer 1

let the units digit be 2x then tens digit will be x. then the no. will be (10×x) + 2x.....given....no.- sum of digits = 18....so...(10×x)+2x=x+2x+18....on solving we get x=2...so no. is 24