2.4
Let a car travel at a speed of 60 km/hr along a
straight road from a point P to another point Q
and immediately returns to the point P at a
speed of 90 km/hr. Then for the whole journey,
average speed of the car is
(1) 75 km/hr
(2) 84 km/hr
(3) 66 km/hr
(4) 72 km/hr
Answers
Answered by
0
Answer:
75 km/hr is the correct answer
Answered by
1
Answer:
Answer is 1 option.
=90+60÷2
=150÷2
=75
therefore........75 km/hr is the right answer
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