Maharashtra Class 7 Answered
The rate percent per Anuum
At which 1200/-amount to1400/-in 4 years is
Asked by Lishashah53 | 09 Jan, 2019, 07:42: PM
Expert Answer
A = P [ 1 + (r/100) ]n
we have A = Rs. 1400, P = Rs.1200, n = 4
hence [1+(r/100) ]4 = 1400/1200 = 7/6
[1+(r/100)] = (7/6)1/4 = 1.039
(r/100) = 0.039 or r = 3.9 ; hence rate percent 3.9%
Answered by Thiyagarajan K | 09 Jan, 2019, 09:50: PM
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