Question

A two digit no is such that the product of its digit is 15 if 18 is added to the no. Ithe digit interchange rheir places find the no.

Answer 1

that number is 35

so solved

Answer 2

answer 35

see

3x5 =15

and 35 +18 = 53

solve this like

let the number at the tens place be X

then the units no. will be 15/X