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2014-11-04T19:12:45+05:30

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Assuming simple interest,
rate = 12%
time = 1/12 years
SI = Rs. 378
Principal = P

SI =  \frac{Ptr}{100}  \\  \\ P= \frac{100*SI}{t*r} = \frac{100*378}{ \frac{1}{12} *12} =Rs.\ 37800

He had taken Rs. 37800 as loan.
0
2014-11-04T19:52:45+05:30
Simple
do it by simple interest

SI =PTR BY 100
ANS =RS. 37800
0
SI = PTR/100
therefore P=100*S.I/T*R=rs.37800