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the simple interest on a certain sum of a money for 3 years at 8% per annum is half of the compound interest on ₹4000 for 2 years at 10% per annum what sum is placed on simple interest |
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Answer» Principle= Rs 4000time=2 yearRate=10%COMPOUND interest = P × ( 1 + r )n − PI = P { ( 1 + r ) n − 1 }I = 4000 ( 1 + .10)² − 1I = 4000 ( 1.21 − 1 )I = 840AS per question, Simple interest = 840 = 420 = PRT 2 100So, I = 420 = P × 0.08 × 3I = Rs.1750 |
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