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Number System

Quick practice

Question 1 of 5

One third of a 2400 km journey is covered at the rate of 25km/hour, one-fourth at the rate of 30 km/hr and the rest of 50 km/hr. The average speed for the whole journey is:


A

33⅓ Km/hr

B

28 Km/hr

C

30 Km/hr

D

28 4/7 Km/hr

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