Question

445. Find speed in kms/hr. If a man completes 2,5 km. In 10 minutes.
(a) 10 km/hr (b) 15 km/hr (c) 12 km/h (d) None oft
16. If the area of a somare is 144 so m then what will be the length of its​

Answer 1

Answer:

Speed = distance/time

1 hour = 60 minutes

1 minutes = 1/60 hour

so 10 minutes = 10/60 = 1/6 hour

d = 2.5km

s = d/t = 2.5/1/6 = 2.5×6 = 15 km/hr