Question

Rahul Travels 30 kilometre at uniform speed of 40 kilometre ha and next 30 km at uniform speed of 20 km per hour find the average speed​

Answer 1

Step-by-step explanation:

Time for first 30 km =30/40=0.75hr

Time for second 30 km = d/s = 30/20=1/5hr

total time for 60 km=2.25 he

so, speed=d/t= 60/2.25=26.67 km/hr.