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2015-09-30T22:15:49+05:30

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Let the sum = P
time = 2 \frac{1}{3} years = 7/3 years
rate = 3 \frac{3}{4} % = 15/4 % per annum
SI = Rs. 210

SI =  \frac{PTR}{100} \\ \\ \Rightarrow P =  \frac{100 \times SI}{TR} \\ \\ \Rightarrow P =  \frac{100 \times 210}{ \frac{7}{3}  \times  \frac{15}{4} } =\frac{100 \times 210 \times 3 \times 4}{ 7\times  15 } =Rs.\ 2400

The sum is Rs. 2400
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