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2015-03-22T01:13:36+05:30

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P = principal
Sum accumulated = S = P (1 + r/100)² = 1.44 P
   =>  1 + r/100 = 1.2
   => r = 20 %

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2015-03-22T08:18:03+05:30

This Is a Certified Answer

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
 S = P (1 + r/100)² 
given that the sum of the money compounded annually becomes 1.44 times of itself in 2 years
1.44P = P(1+r/100)
²
1+r/100 = √1.44 (by taking LCM)
100+r/100 = 1.2
100+r = 1.2×100
100+r = 120
r = 120-100
r = 20 percentage


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