Question

Read the paragraph and answer the question
Average speed of an object is defined as the ratio of total distance travelled by an object to the
total time taken. The average velocity of an object is defined as the ratio of displacement of
object to the total time taken. A car travels from station A to B at 40 km/hr and from B to A at
60 km/hr. The distance between A and B is 40 km.
What is the total time taken by the car to complete the journey and average speed of the car?
a.) 1 hour, 50 km/hr
b.) 1.67 hour, 48 km/hr
c.) 1.78 hour, 40 km/hr
d.) 1.5 hr, 45 km/hr

Answer 1

Answer:

OPTION C.

Explanation:

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