Anish borrowed $R s .15000$ at the rate of $12$ % and another amount at the rate of $15$ % for two years. The total interest paid by him was $R s .9000$ . How much did he borrow?

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Solution

$P_{2} = 15, 000 r = 12 % t = 2 y e a r s$
$I_{1} = \frac{P_{2} \times R_{1} \times T}{100}$
$= \frac{15000 \times 12 \times 2}{100}$
$= 3600$
$P = P_{2} r_{2} = 15 % t = 2 y e a r s$
$I_{2} = \frac{P_{1} \times R_{2} \times t}{100}$
$= \frac{P_{2} \times 15 \times 2}{100}$
$T o t a l enterest I = 9000$
$I = I_{1} + I_{2}$
$9000 = 3600 + \frac{P_{2} \times 15 \times 2}{100}$
$9000 - 3600 = \frac{P_{2} \times 30}{100}$
$\frac{5400}{30} \times 100 = P_{2}$
$P_{2} = 18000 A n s .$
$15000 + 18000 = 33000$

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Anish borrowed Rs.15000 at the rate of 12% and another amount at the rate of 15% for two years. The total interest paid by him was Rs.9000. How much did he borrow?

P2=15,000r=12%t=2yearsI1=P2×R1×T100=15000×12×2100=3600P=P2r2=15%t=2yearsI2=P1×R2×t100=P2×15×2100Totalenterest I = 9000I = I1+I29000=3600+P2×15×21009000−3600=P2×30100540030×100=P2P2=18000Ans.15000+18000=33000

Anish borrowed $R s .15000$ at the rate of $12$ % and another amount at the rate of $15$ % for two years. The total interest paid by him was $R s .9000$ . How much did he borrow?