Medium
Rohit walks 5 km towards the north, then turns right and walks 12 km. He then turns right again and walks 5 km. How far and in which direction is he from his starting point?
Explanation
Explanation
Step 1: Start facing North. Walk 5 km North.
Step 2: Turn right (now facing East) and walk 12 km East.
Step 3: Turn right again (now facing South) and walk 5 km South.
Step 4: The 5 km North and 5 km South cancel each other, so he is back on the starting east–west line.
Step 5: The only remaining displacement is 12 km towards East.
Answer: 12 km East.
PRO TIP
Re-check your working by substituting the answer back into the original question.