Question

During first half of a journey by a body it
travels with a speed of 40 km/hr and in the next half it travels with a speed of 20 km/hr. Calculate the
average speed of the whole journey?​

Answer 1

Answer:

Step-by-step explanation:

AVERAGE SPEED =A+B/2

LET A BE 40KM/HR

LET B BE 20KM/HR

SO ,

40+20/2=30

SO THE AVERAGE SPEED OF THE JOURNEY WILL BE 30 KM/HR

Answer 2

Answer:

26.66km

Step-by-step explanation: