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One third of a certain journey covered at the rate of 25 km/ hour, one-fourth at the rate of 30 km /hour and the rest at 50 km / hour. The average speed for the whole journey is1). 35 km/hr2). $33\frac{1}{3}$ km/hr3). 30 km/hr4). $37\frac{1}{12}$ km/hr |
Answer» OPTION 2 : SEEMS CORRECT | |