Find the rate of interest if Rs. $6000$ amounts to Rs. $7350$ in $5$ years.

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Solution

A =7350 P= 6000
SI = 7350-6000=1350
$\Rightarrow 1350 = \frac{P R T}{100}$
$\Rightarrow 1350 = \frac{6000 \times R \times 5}{100}$
$\Rightarrow R = \frac{1350 \times 100}{6000 \times 5} = 4.5$
Rate of intrest=4.5%

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Find the rate of interest if Rs. 6000 amounts to Rs. 7350 in 5 years.

A =7350 P= 6000SI = 7350-6000=1350⇒1350=PRT100⇒1350=6000×R×5100⇒R=1350×1006000×5=4.5Rate of intrest=4.5%

Find the rate of interest if Rs. $6000$ amounts to Rs. $7350$ in $5$ years.

A =7350 P= 6000
SI = 7350-6000=1350
$\Rightarrow 1350 = \frac{P R T}{100}$
$\Rightarrow 1350 = \frac{6000 \times R \times 5}{100}$
$\Rightarrow R = \frac{1350 \times 100}{6000 \times 5} = 4.5$
Rate of intrest=4.5%