Question

(50) A train takes 1 hour to go from one station to the
other. It travels at a speed of 30 km h-' for the
first half hour and at the speed of 40 km h-' for
the next half hour. The average speed of the
train is:
(a) 45 km h-1
(b) 35 km h-1
(c) 40 km h-
(d) none of these

Pls explain the answer

Answer 1

Explanation:

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