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3. A man covers half of his journey at 6 km/hr and theremaining half at 3 km/hr. His average speed is?(a) 3 km/hr(b) 4 km/hr(c) 4.5 km/hr (d) 9 km/hr |
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Answer» 4km/hr. may be the answer. the average speed = 6+3/2 =4.5therefore 4.5 is the correct answer to this question 4km/hr. may be the correct answer his average speed = (6+3)/2 = 9/2 = 4.5 km/hr (ANS) what the hell is going on, why my answers gets an issue mark, would you be able to explain it.. (C) 4.5 km/hr (answer) AVG.speed 6+3/2=4.5km/hr average speed=6+3/2=4.5, Total speed = 6+3m/sec= 9m/secTotal time = 2 hr.So, average speed = 9/2 m/sec= 4.5 m/sec AnsSo, option (C) is correct Ans. 4.5 is the right answer 4.5 is the correct answer the average speed = 6+3/2 =4.5therefore 4.5 is the correct answer to this question correct answer is (c) the average speed = 6+3/2 = 4.5therefore 4.5 is the correct answer to this question his average speed is 4.5 |
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