Question

1/3 of a certain journey is covered at the rate of 25 km/h , 1/4 at the rate of 30 km/h and the rest of 50 km/h.What is the average speed for the
whole journey?

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Answer 1

Answer:

Step-by-step explanation:

A) 35 km/hour

B) 3313km/ hour

C) 30 km/ hour

D) 37112km/hour

Correct Answer:

B) 3313km/ hour

Description for Correct answer:

Let the total distance = 1200 km