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put this solution on YOUR website!let P be the principle ,R be the interest rate (%),N be the number of years,
then the formula is given by,
I = P*N*R/100
= 2500 * 1* R/100
HERE I IS GIVEN ,THAT IS 275,
275 = 25 *1* R (Simplyfying)
Therefore R = 275 /25
= 11 %
this is the answer.
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