Question

MOHINI travelled north of Delhi by 70Km. and then south by 80Km. How far from Delhi was her car finally?

Answer 1

In north direction, she travelled 70 km

Then she travelled 80 km south.
(On travelling south she again came at Delhi at 70 km + 10 km more)

So her car is 10 km far from Delhi.

Answer 2

Answer:

Step-by-step explanation:

suppose the origin point is delhi ie 0. North is upward that is positive direction of y axis. That is +70 . South is in nagative direction of y axis i.e -80

so total

0+70-80 = -10

Since distance is never in nagetive so answer is 10 km.