Newton was standing with his face pointing to the South East Direction. He walked 15 M and then turned North wards and walked another 12 m . How far was he then from starting point and in which direction?

9 m, East

The following method is used to solve the above question:

First the man started walking 15 mtr. and then moved in north direction and walked 12 meter.

As per pythagors theorem:

15² - 12² = x² (where x² is distance b/w starting point and final point)

x² = 9

Thus, we can say the person is 9 m to the east of the starting point.