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Reduction of metal centre in aqueous permanganate ion involves (1) 5 electrons in neutral medium (2) 5 electrons in acidic medium (3) 3 electrons in neutral medium (4) 3 electrons in alkaline medium

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In a class, six students Prayank, Ashisk, Ravikant, Shan, Jeewan and Ajmun are the top six Rank holders, not necessarily in the same order. Ravikant did not get the 4^(th) rank. Prayank's rank is higher than Ajmun's and Ravikant's but lower than Ashish's. Among these six rankers, there are four students whose ranks are lower than Shan's rank and five students whose ranks are above that of Jeewan. Who is ranked 5^(th) in the class?

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