Cadet P walks 20 m North from a mark and Cadet Q walks 20 m South from the same mark. How far apart are they?
Q1. Cadet P walks 20 m North from a mark and Cadet Q walks 20 m South from the same mark. How far apart are they?
Answer: 40 m
Explanation: They move in opposite directions along the same line. Total separation is 20 m plus 20 m, which is 40 m.