Question

10. Integer used to represent walking 3 km towards the north is :
(a) walking 3 km towards the south
(b) -3 km
(c) +3 km
(d) None

Answer 1

-3 km is the answer

If it is south then the answer will be +3km

Answer 2

Answer:

c) +3 km

Step-by-step explanation:

If you assume the up direction to be positive, then north represents positive values, and south represents negative values.

In that sense, since the object travels 3 km towards north, it travels 3 km in the positive direction, due to which the answer is c

EDIT: The answer also depends on your choice of the positive direction.

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