Question

megha drives along the perimeter of square field of side 10kms.she drives along the first side at 10kmph.along second side 20 kmph along 3rd side 30kmph and along the forth side at 40 kmph.her avearse speed is ?

Answer 1

hope u get the solution

Answer 2

Answer:

19.2

Explanation:

Average speed : total distance/total time

Total distance=10*4=40 km

total time =10/40 + 10/20 + 10/30 + 10/40

So, Average Speed = 19.2 Km/h