Question

A car travels at a speed of 40kmph for first 3 hours
and at 60 kmph for the next 3 hours.
Then average speed of the car is....... kmph​

Answer 1

Answer:

50km/hr.

Explanation:

distance covered by the car for the first 3hrs=40km.

so, the car travelled 40km/hr for the 1st 3hrs.

so, 40*3=120kms/3hrs.

distance covered by the car for the second 3hrs=60km/hr.

so, 60*3=180kms/3hrs.

As we know that,

speed = distance/time.

so, total distance=120kms+180kms

=300kms.

total time taken=3hrs+3hrs

=6hrs.

so, total average speed=300/6

=50km/hr.

Hope this answer helps you☺