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1. The least number of complete years in which a sum of money put out at 20% compound interest will be more than doubled is:





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  • By: guest on 01 Jun 2017 05.46 pm
    P 1 + 20 n > 2P         6 n > 2. 100 5 Now, 6 x 6 x 6 x 6 > 2. 5 5 5 5 So, n = 4 years.
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