Q. 21 A24.6( 18 Votes )

A principal becom

Answer :

Amount = 2p, Principal = p, r = r, t = 20 yr


Interest = Amount – Principal = 2p – p = p


Since,




Amount = 3p, Principal = p


Interest = 3p – p = 2p


P = p , r = 5 , t = ? and I = 2p


Since,



yr


Hence, (C) is correct option.

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