Question

a bus travels at vijayawada at 10.30pm . it travsls at a constant speed 60km for 3hrs till it reaches koda. it halfs for 30min and resumes its journey at a constant speed 80km to reach Hyderabad at 6.00 am . find the average speed of bus.

Answer 1

av. speed = 60/3 + 30×1/2 +80/4
=20+15+20= 55km/hr.