Let $p$ be a two-digit number and $q$ be the number consisting of same digits written in reverse order. If $p \times q = 2430$ , then what is the difference between $p$ and $q$ ?

Kepler. Discussing PYQs. Q.no. 66

Let ppp be a two-digit number and qqq be the number consisting of same digits written in reverse order. If p×q=2430p \times q = 2430p×q=2430 , then what is the difference between ppp and qqq ?