1 1 vote
Consider a five-digit number $P Q R S T$ that has distinct digits $P, Q, R, S$, and $T$, and satisfies the following conditions: $$\begin{array}{l} P < Q \\ S P T \\ R ...
2 2 votes
​​​​​Rohit goes to a restaurant for lunch at about $1$ PM. When he enters the restaurant, he notices that the hour and minute hands on the wall clock are exactly coincidi...