A man walks 3 km north, turns right and walks 4 km, then turns right and walks 3 km. How far is he from the starting point? MCQ with Answer and Explanation

Explanation:
Differences are 4, 9, 16, 25, i.e., 2², 3², 4², 5²; next difference is 6²=36, so 55+36=91.

Explanation:
Assume start facing North 10 m. Right (East) 10 m. Left (North) 5 m. Left (West) 15 m. Left (South) 15 m. Net: North 10+5−15=0, East 10−15=−5 (5 m West). Distance 5 m.

Explanation:
The relation is n^3. 5^3 = 125; 6^3 = 216.