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3. Find the rate of interest in each of the following cases.S. No.Interest (I)Principal (P)Time (t)81045003 years |
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Answer» Step-by-step EXPLANATION: s.i=p×r×t/100 810=4500×r×3/100 (100 is in DIVISION) 810=45×r×3 810/3=45×r 270 =45×r 270/45=r 5.74=r r=5.74% |
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