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5. An elevator descends into a mine shaft at the rate of 6 m/min. If the descent starts from 10 m above the ground level, how long will it take to reach - 350 m ?(a) 10 min(b) 20 min(c) 1 hour(d) 45 min |
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Answer» vator has to travel 10m till the ground, then 350 m more. Thus the ELEVATOR WOULD TAKE 1 HOUR to reach its DESTINATION. |
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