Question

2 persons A and B are walking with speed 4km/h and 5km/h respectively in the same direction. After 3 hours the separation of B from A will be..??

Answer 1

After 3hours the seperation of B and A will be 3km

Answer 2

Answer:

we have to to take relative distance for this question first we have to to take Ek the formula formula of distance

s=vt

then, took relative speed (5-4)km/hr

and time 3 hours

then,

distance = 1*3 km

s= 3 km