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  • A snail want to reach the vertical stick of height 15cm . it climbs 3cm during day and it slips 1cm down during night. find how many days it takes to climb the top of the stick

A snail want to reach the vertical stick of height 15cm . it climbs 3cm during day and it slips 1cm down during night. find how many days it takes to climb the top of the stick

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eginarrayl extAT the finish of a day he atlast climbs one feet only..(3 feet climbs a day - 2 feet slipped by night = 1 feet climb a day)\ exttill 25 days he climbs 25 feet \ extOn 26th morning he climbs 25 + 3 = 28 feet\ extAt night he slipped by 2 feet so it gets 26 feet at the end of 26th day\ extOn 27th day he climbs 3 feet so it gets 26 + 3 - 29 th feet\ extat the end of day in night he slipped by 2 so it gets 29 - 2 = 27 feet\ \ extOn 28 th day he climbs 3 more feet that is 27 + 3 =30 feet complete on 28 th day\ extSo overall it takes 28 days..endarray

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Deependra Verma

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