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$6\frac{1}{4}\%$ হার সুদে কত সময়ে 96 টাকার সুদ 18 টাকা হবে?

Options :

  • (A) 2 বছর
  • (B) 2.5 বছর
  • (C) 3 বছর
  • (D) 3.5 বছর

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এখানে, সুদ $(I)=18$ টাকা, আসল $(P)=96$ টাকা, সময় $(n)=?$ বছর, সুদের হার $(r)=6 \frac{1}{4}\%$ বা, $\frac{25}{4}\%$বা, $6.25\%$

আমরা জানি, $n=\frac{I}{Pr} \times 100$

বা, $n=\frac{18}{96 \times 6.25} \times 100$

বা, $n=\frac{18 \times 100}{96 \times 625} \times 100$

বা, $n=\frac{{\displaystyle\overset3{\bcancel{18}}}\times{\displaystyle\overset{\cancel4}{\cancel{100}}}}{{\displaystyle\underset{\underset{\bcancel4}{\cancel{16}}}{\bcancel{96}}}\times{\displaystyle\underset{\bcancel{25}}{\cancel{625}}}}\times\overset{\bcancel4}{\bcancel{100}}$

$\therefore n=3$

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