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9.One-third of acertain journey wascovered at a rate of 25 km/hr, one-fourthat the rate of 30 km/hr and the rest at therate of 50 km/hr. Find the average speedper hour for the whole journey.11(1) 33 – km/hr3(2) 66 – km/hr31(3) 36 = km/hr (4)63 km/hr1 61 6 |
Answer» (4)63 km/hr is answer DEAR FRIEND |
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