1. A, B and C invested amounts in the ratio 3 : 4 : 5 respectively. If the schemes offered compound interest at the rate of 20% per annum, 15% per annum and 10% per annum respectively, then what will be the ratio of their amounts after 1 year?
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- By: anil on 05 May 2019 01.48 amLet amount invested by A, B and C be Rs. 300, 400 and 500 respectively for 1 year. Amount under compound interest = $$P(1+frac{R}{100})^T$$ => Amount A will get = $$300(1+frac{20}{100})^1$$ = $$300 imesfrac{120}{100}=Rs.$$ $$360$$ Similarly, amount B will get = $$4 imes115=Rs.$$ $$460$$ and C = $$5 imes110=Rs.$$ $$550$$ $$ herefore$$ Ratio of amounts received by A : B : C = 360 : 460 : 550 = 36 : 46 : 55 => Ans - (C)
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