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For one lift he covers 1.5 feet, to the start of second lift he slips 0.5 feet.Hence for every N lifts there are (N − 1)...
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Praveen climbs 1.5 feet for each lift and slips 0.5 feet each time he makes the next lift.Praveen effectively climbs 1 feet (1.5 − 0.5) from one lift to the...
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