The distance between two stations is 200 km. A train travels for the first 100 km at a speed of 40 kmh-1. How
fast should the train travel the next 100 km so as to average speed becomes 50 kmh-1 for the whole journey
?
(A) 200/3 kmh-1
(B) 100 kmh-1
(C) 100/3 kmh-1
(D) 50/3 kmh-1
Answers
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Answer:
answer is (b)
Explanation:
ok because 100km is left
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